Câu hỏi: .……………silly mistake!

A. what

B. what a

C. how

D. how a

Câu 1: Excuse me, I think you've ________ a mistake in our bill.

A. Made

B. Done

C. Had

D. given

Câu 2: .……………lucky he is!

A. what

B. what a

C. how

D. how a

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

A. so

B. because

C. although

D. such

Câu 4: You shouldn’t eat so many sweets; they’re …………….for you.

A. bad

B. unhealthy

C. unsuitable

D. disagreeable

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

A. that

B. which

C. whose

D. A and B are correct.

Câu 6: The blue car is ______ than the red car.

A. more fast

B. more faster

C. faster

D. fast