Câu hỏi: Some of the grain .................... to be contaminated.

A. appear

B. appears

Câu 1: Mark ............. at the party last night.

A. were happy

B. happy was

C. was happy

D. was he happy

Câu 2: Carlos is the only one of thosestudents who       ............. lived up to thepotential described in the yearbook.

A. has

B. have

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

A. appearance

B. appearing

C. appear 

Câu 4: Rice and beans, my favorite dish, .............. me of my native Puerto Rico.

A. remind

B. reminds

Câu 5: Sarah and her husband ................. the movies last Saturday.

A. Was going

B. went to

C. they went

D. went they to

Câu 6: Three-quarters of the students ................ against the tuition hike.

A. is

B. are