Câu hỏi: If there were flying saucers, there ______ traces of their landing.

A. would be

B. will be

C. are

D. is

Câu 1: Learning English _____________ really interesting.

A. am

B. is

C. are

D. be

Câu 2: If you want to be a telephonist, you should _________ your communication skills.

A. practiced

B. practice

C. practicing

D. to practice

Câu 3: My uncle _______ a visit to Germany in 2005.

A. paid

B. pays

C. has paid

D. will pay

Câu 4: He ____________ abroad before I met him in Sydney.

A. studied

B. study

C. will study

D. had studied

Câu 5: There is no ______that he has been here.

A. evidence

B. evidential

C. evidentially

D. evident

Câu 6: He won't be happy if you ______ come!

A. don't

B. haven't

C. didn't

D. won't