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

A. appearance

B. appearing

C. appear 

Câu 1: Not only the students but also theirinstructor ............. been called

A. have

B. has

Câu 2: The Club, as well as the Society andthe Club, ................. to submit aconstitution.

A. need

B. needs

Câu 3: The students and instructors each .............. for a new facility by next year.

A. hopes

B. hope

Câu 4: Each and every student and instructorin this building ................ for a newfacility.

A. hope

B. hopes

Câu 5: Politics .................. sometimes a dirtybusiness.

A. are

B. is

Câu 6: To an outsider, the economics of this country ....................... to be in disarray.

A. seem

B. seems