Chọn từ thích hợp điền vào chỗ trống:

_______ is the existence of a wide variety of plant and animal species living in their natural environment.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks. 
The first thing that is included in the "living together” (23) ______ is the expected good relations with your family. This also involves sharing equally the housework. Lots of people think that everyone should share the housework (24) ________, but in many homes parents do most of it. To certain minds, many families can't share the housework whereas they should try it. In fact, sharing the housework equally is not very possible because of the families' timetable. So, it is somehow believed that children and parents must do things together. For this they can establish a housework planning.
(25)_________, housework's contributions of the teenager make him more responsible. He will think that he has an important role in his family. According to researchers, teenagers should share the housework because (26) ______ will help them when they have to establish their own family in the future. Too many teenagers and young adults leave home without knowing how to cook or clean, but if parents delegate basic housework to teens as they are old enough to do it, they won't be destabilized by doing the housework in their new grown-up life.
It can be (27) ________ concluded that many parents don't really prepare their children for future, because they don't stimulate them to learn how to run a house. If parents get them responsible, teens will be more responsible and that will improve family's life.

Lots of people think that everyone should share the housework (24) ________, but in many homes parents do most of it

Choose the best answer:

Hiking the trail to the peak ______ be dangerous if you are net well prepared for dramatic weather changes. You ____ research the route a little more before you attempt the ascent.

Chọn từ thích hợp điền vào chố trống:

Only a few of the many species at risk of extinction actually make it to the lists and obtain legal _______.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions: 

Scientists warn about the impending extinction of many species of plants and animals if we don’t take urgent action to save them.

Choose the best answer:

We will be there ........... 5 o’clock early .............. the morning.

As John ................. enjoyed doing research, he never could imagine himself pursuing other careers.

Indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

What he can't do is to make attendance compulsory, or threaten that non attendance will delay other qualifications.

Choose the best answer:

Excuse me. Can I ........... in this area?

Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

When we went to the airport to see her off, we had a traffic jam.

Choose the correct answer in each sentence.

Ms. Nissim, the founder of Hartwell Industries, will   ______________ a talk on effective sales strategies at the marketing convention.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions: 

In Africa, many children die from not having enough food.

Singapore is a ____ example of a smart city, and is constantly evolving its "city brain, "a backbone of technologies is used to help control pollution, monitor traffic, allocate parking, communicate with citizens.

Choose the best answer:

I was reading the book last night before I went to bed. I never took it out of this room. It's ______ be lying around here somewhere. Where ____ it be?

You have got many friends there, ……………..you?

 I must remind my students that this grammar point needs …........ 

Choose the best answer:

She looked ...........  when she heard the ................  news. 

 He’s been sentenced to a year’s imprisonment, ………..he? 

I caught him _______ over my wall. 

_______ is the protection of environment and natural resources.

All payments to the ICRC are ................... and are received as donations.