I/ doing/ have/ of/ office/ experience/ work/ of.

A. She must come to our party tonight.

B. She may come to our party tonight.

C. She had better come to our party tonight.

D. She should come to our party tonight.

A. The telephone rang while we were having dinner.

B. The telephone rang where we were having dinner.

C. The telephone rang what we were having dinner.

D. The telephone rang how we were having dinner.

A. What is most important volunteer activity in our area?

B. What is most important volunteer activity at our area?

C. What is the most important volunteer activity at our area?

D. What is the most important volunteer activity in our area?

A. make

B. have

C. give

D. do

A. a

B. the

C. an

D. 0

A. to go

B. go

C. going

D. went