Tìm BCNN của:

a) 60 và 280.

b) 84 và 108.

c) 13 và 15.

d) 10; 12; 15.

e) 8; 9; 11.

f) 24; 40; 168

I truly respected my father and always ___________________ by his rule.

A. submitted 

B. obeyed 

C. complied 

D. abode

Mom: “Good luck with the exam, my dear!” - Hoa: “ ___________________ , Mom.”

A. Never mind

B. Thank you 

C. I wish so 

D. By no means

A man is talking to Mary when he is on holiday in New York.

The man: “You haven’t lived here long, have you?”

Mary: " ___________________ "

A. Yes, just a few days

B. No, I live here for a long time

C. No, only two months

D. Yes, I have just moved here

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

The report advocated that all houses should be fitted with smoke detectors.

A. supported 

B. cheered 

C. forced 

D. warned