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

A. appearance

B. appearing

C. appear 

Câu 1: Everyone selected to serve on this jury ............... to be willing to give up a lot of time.

A. have

B. has

Câu 2: To an outsider, the economics of this country ....................... to be in disarray.

A. seem

B. seems

Câu 3: A high percentage of the people ............ voting for the new school.

A. was

B. were

Câu 4: Politics .................. sometimes a dirtybusiness.

A. are

B. is

Câu 5: There ................ to be some people left in that town after yesterday's flood.

A. have

B. has

Câu 6: Mark ............. at the party last night.

A. were happy

B. happy was

C. was happy

D. was he happy