Câu hỏi: Four years .............. a long time tospend away from your friends and family.

A. are

B. is

Câu 1: A high percentage of the population ............... voting for the new school.

A. is

B. are

Câu 2: He seems to forget that there .............. things to be done before he can graduate.

A. are

B. is

Câu 3: The ................ of dark red spots is one of the first signs of the disease.

A. appearance

B. appearing

C. appear 

Câu 4: Not only the students but also theirinstructor ............. been called

A. have

B. has

Câu 5: Rice and beans, my favorite dish, .............. me of my native Puerto Rico.

A. remind

B. reminds

Câu 6: Sarah and her husband ................. the movies last Saturday.

A. Was going

B. went to

C. they went

D. went they to