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

A. Made

B. Done

C. Had

D. given

Câu 1: The Mona Lisa is one of the ______ paintings in this museum.

A. more beautifuler

B. most beautiful

C. beautifuler

D. most beauty

Câu 2: It's fun to _____ ping pong. It's also called table tennis.

A. play

B. do

C. go

D. make

Câu 3: The books are heavy. ______ can't carry them.

A. She

B. Her

C. Herself

D. Hers

Câu 4: The people ______ flight was cancelled were upset.

A. whose

B. which

C. whom

D. that

Câu 5: .……………lucky he is!

A. what

B. what a

C. how

D. how a

Câu 6: _____ he finished his homework, he played his guitar and sang.

A. after

B. although

C. so that

D. unless