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

A. became

B. becomes

C. has become

D. was become

Câu 1: Send my regards to Lawrence ............................ you see him.

A. if

B. in case

C. whether

D. provided

Câu 2: 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 3: 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 4: We’ll have to break the ice on the pond; otherwise the ducks .............. swim.

A. are not able to

B. will not be able to

C. would not be able to

D. would not have been able to

Câu 5: A small design fault ................. on our latest chip.

A. has found

B. found

C. has been found 

D. find

Câu 6: If you do decide to come, ............................

A. the party’s always a success

B. we would have been so happy

C. I won’t be coming either

D. let me know