Câu hỏi: He told me ___________ my best to study English.

A. try

B. trying

C. to try

D. tried

Câu 1: Your sister used to visit you quite often, ________?

A. didn't she

B. doesn't she

C. wouldn't she

D. hadn't she

Câu 2: Alice wasn’t ___________ to be in my class.

A. too old

B. old enough

C. so old

D. such old

Câu 3: At the end of the story, the prince and princess fall _________ love with each other.

A. in

B. on

C. for

D. at

Câu 4: – Do you have to buy this hat? – No, I _____. It isn't necessary.

A. mustn't

B. won't

C. needn't

D. don't need

Câu 5: When we were on holiday, we used ________ to the beach every day.

A. go

B. to go

C. going

D. gone

Câu 6: Gold _______in California in the 19th century.

A. was discovered

B. has been discovered

C. was discover

D. they discovered