The boy was seen _____ model planes in the classroom.

A. make　　　　 B. made　　　

C. makes　　　　 D. to make

_______in 1636, Harvard is one of the most famous universities in the United States.

A. Being founded　　　 B. It was founded

C. Founded　　　　　 D. Founding

My sister is often self-centered. She does whatever she likes to, ____other people’s feelings.

A. instead of　 B. in favor of　 C. regardless of　　 D. in spite of

Mr. Smith looks very fit. He takes _____ every day.

A. many exercises　 B. much exercise　　

C. little exercise　　　 D. few exercises

Everyone in our class likes Mary because she is good at telling and _____jokes.

A．turning up　　　 B. putting up　　　 C. making up　　 D. showing up

AIDS is said ______ the biggest health challenge to both men and women in that area over the past few years.

　 A. that it is　　　　 B. to be　　　 C. that it has been　 D. to have been

How strange! These years my birthday always falls _____.

A. on the Sunday　　　　　　 B. on a Sunday

C. on Sunday　　　　　　　　 D. at a Sunday