Câu hỏi: Excuse me, I think you've ________ a mistake in our bill.

A. Made

B. Done

C. Had

D. given

Câu 1: The man ______ was speaking to us was very tall.

A. who

B. which

C. whose

D. whom

Câu 2: The people ______ flight was cancelled were upset.

A. whose

B. which

C. whom

D. that

Câu 3: We couldn't find a taxi _____ we walked home.

A. so

B. because

C. although

D. such

Câu 4: Jack: What time does it finish? - Tom: ___________

A. On Thursday

B. I’m not sure

C. It takes 15 minutes.

D. Next week

Câu 5: That's the cat ______ we saw yesterday.

A. that

B. which

C. whose

D. A and B are correct.

Câu 6: If I had had enough money, I ________ that radio.

A. bought

B. would buy

C. would have bought

D. had bought