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

A. has

B. have

Câu 1: The tornadoes that tear through this county every spring ............ more than just a nuisance.

A. are

B. is

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

A. seem

B. seems

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

A. appearance

B. appearing

C. appear 

Câu 4: Either the physicians or the chief administrator ............ going to make a decision.

A. is

B. are

Câu 5: Some of the votes ................. to have been miscounted.

A.  seem

B. seems

Câu 6: A high percentage of the people ............ voting for the new school.

A. was

B. were