………………… have been working hard in the search for a cure for cancer. (SCIENCE).

Câu hỏi liên quan

• Choose the best answer to each question. 

  However ________ about the results, the children still talk merrily.

• Choose the best answer to each question. 

  They have made a substantial change; that means, they have made a(n) __________change.

• He wants to know whether I .................. back tomorrow.

ZUNIA12

• Find the one choice that best completes the sentence:

  It hasn't rained ......the end of July.

• Choose the best answer to each question. 

  His personal problems seem to have been ______him from his work lately.

• Choose the best answer to each question. 

  I prefer to read about the life stories of real people, _________ the people themselves.

• Choose the best answer: Formerly babies ............... of whooping cough.

• Choose the best option to complete these following sentence: 

  Many countries in Asia agreed to _____ diplomatic relations.

• Each of the following sentences has an error. Find the errors and correct them.

  Almost all life depends to chemical reactions with oxygen to produce energy.

• Each of the following sentences has an error. Find the errors and correct them.

  Hung really wishes that he can take part in the game.

   

• Choose the words or phrases that are not correct in standard written English.

  If you will be there tomorrow, you will meet Nam - our old classmate.

• Choose the best answer to each question. 

   It is________ knowledge in the village that Mr. and Mrs. Thorne quarrel violently several times a week.

• Choose the best answer to each question. 

  As a citizen, it is normal to _________ to the laws and rules made by the society.

• I’m writing in response to your ____________which appeared in the magazine last week. (advertise)

• Choose the best answer to each question. 

  My parents saw a ________ play last night.

• Choose the best answer to each question. 

  She couldn’t perform well once she was _________.

• Choose the best answer to each question. 

  In a money-oriented society, the average individual cares little about solving _____ problem.

• Each of the following sentences has an error. Find the errors and correct them.

  When I was a child, summers would be warmer and winters colder than now.

• Choose A, B, C, or D to complete each sentence.

  There is no ______ evidence for the existence of UFOs.

• Choose the best answer to each question. 

  This is not the right________ to ask for my help; I am far too busy even to listen!