单选2

1. We planted many flowers and green trees in our school, which _______ the beauty of the whole school.

A. added to B. added up C. added up to D. were added to

2. There is no _______ in trying to talk him into joining us. He enjoys being alone.

A. doubt B. wonder C. hope D. point

3. ---Did you call Ben? He was on the Net the whole night.

----_______ I wasn’t able to through.

A. In case B. Now that C. Instead of D. No wonder

get

4. It was Johnson, _______ studied very hard, _______ often helps us.

A. that;that B. who;which C. who;that D. that;who