Câu hỏi: Hamburgers ...................... favorite in America in the early century.

A. became

B. becomes

C. has become

D. was become

Câu 1: Take John's address with you, ................... you have time to see him whenyou’re in London.

A. if

B. unless

C. in case

D. so long as

Câu 2: A new chairman ................. by our staff.

A. chose

B. was chosen 

C. choose 

D. have been chosen

Câu 3: If I’d known you weren’t coming, ................................

A. I had come too

B. I would like to know why

C. I wouldn’t have gone to so much trouble

D. I hadn’t been so upset

Câu 4: If you'd told me you were coming, .............................

A. I can get some food in

B. I’d have found us something to eat

C. I made a lovely dish

D. I’ll buy some more food

Câu 5: If only you’d come, ...............................

A. I’ll be the happiest girl alive 

B. I’ll understand why

C. I’d have had a lovely time        

D. I would look forward to it

Câu 6: Their popularity ................ much more after the Second WorldWar.

A. grew

B. grow

C. is grown

D. has grown