Choose the letter A, B, C or D to indicate the sentence that is closest in meaning to the sentence given in each of the following questions

He last had his eyes tested ten months ago.

A. He had tested his eyes ten months before.

B. He had not tested his eyes for ten months then.

C. He hasn’t had his eyes tested for ten months.

D. He didn’t have any test on his eyes in ten months.

Poli(vinyl axetat) được tổng hợp bằng phản ứng trùng hợp chất nào sau đây?

A. CH₃-COO-C(CH₃)=CH₂.      

B. CH₂=CH-COO-CH₃.

C. CH₃-COO-CH=CH₂.   

D. CH₂=C(CH₃)-COO-CH₃.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

This city has four million _____.

A. residents

B. inhabitants 

C. dwellers

D. settlers