Câu hỏi: If you want to be a telephonist, you should _________ your communication skills.

A. practiced

B. practice

C. practicing

D. to practice

Câu 1: He decided ____________ another language.

A. study

B. to study

C. studying

D. studied

Câu 2: He won't be happy if you ______ come!

A. don't

B. haven't

C. didn't

D. won't

Câu 3: She would come to see you if she _______ your address.

A. had

B. has

C. have

D. having

Câu 4: Do you think you will be able ______ a space trip?

A. to take

B. take

C. taking

D. taken

Câu 5: Earl was one of the first American artists ___________ landscapes.

A. painting

B. painted

C. for painting

D. to paint

Câu 6: The ________ of the volcano was predicted in advance, so no one was injured.

A. eruption

B. erupted

C. erupts

D. erupt