Biến đổi động từ cho trong ngoặc ở dạng hoặc thì đúng.

It is necessary that everyone (be)………………calm in times of danger.

Câu hỏi liên quan

• Choose one underlined word or phrase that must be changed in order for the sentence to be correct. 

  Despite she is poor she always buys me a nice birthday present.

• Choose the word (A, B, C, or D) that best completes the sentence

  You _____________ the exam if you don't study harder.

• Choose the correct answer to complete each of the following sentences. 

  It is not very easy to study a foreign language by___________ .

ZUNIA12

• The earthquake _______ the city at 2 this morning

• Mark the letter A, B, C, or D to show the underlined part that needs correction.

  Despite (A) its (B) smaller size,(C) the Indian Ocean is as deep (D) the Atlantic Ocean.

• Mark the letter A, B, C, or D to show the underlined part that needs correction.

  Hummingbirds are the only birds (A) capable to fly (B) backward as well (C) as forward(D) up, and down.

• Choose the correct answer to complete each of the following sentences.

  _______accepting your job offer, I’d like to know a bit more about the company.

• Choose the word or phrase that best replaces the underlined in each of the sentences.

  All at once, the sky became dark and it started to rain.

• Choose the correct answer A, B, C, or D to complete each of the following sentences.

  It was difficult to_______ a date which was convenient for everyone.

• What would you do if you __________me?

• Choose one word or phrase to complete the sentence by circling its corresponding letter A, B, C, or D.

  It's high time you ____________ harder for your future.

• Tsunami has a very long wave. It can be hundreds of kilometers __________.

• Choose one word or phrase to complete the sentence by circling its corresponding letter A, B, C, or D.

  Nam: It’s very kind of you to help me.

       Hoa: ________________.

• There is a mistake in the four underlined parts of each sentence. Find the mistakes (A, B, C, or D).

  The fire started in (A) the fifth (B) floor of (C) the hotel, but it soon spread (D) to adjacent floors.

• Choose the correct answer to complete each of the following sentences.

  As consumers’ response to traditional advertising techniques declines, businesses are beginning_________ new methods of reaching customers.

• Choose the correct answer A, B, C, or D to complete the following sentences.

  I didn’t want to discuss the matter but he insisted on bringing it___________ .

• Choose the correct answer to complete each of the following sentences.

  One___________of public transport is its unpunctuality.

•  A tropical storm is called a hurricane in North and South America when it _____ 120 kilometers per hour.

• Choose the correct answer to complete each of the following sentences. 

  My sister is an expert on wildlife and its______________ .

• Choose the best answer to complete these following sentences
  The public suggested that the factories ………. with waste treatment system.