30,D
III:
1. What the students really appreciate is the teacher's sense of humor(what+S+V)
2. The US is acknowledged to have completely controlled the crisis
3. He forgot anything about it and so did she(forgot+Ving)
4. Had it not been for our father's encouragement, we couldn't have managed it
5. It is a pity that I didn't apply for that job
6. I can't stand being in a room where everybody is shouting
7. Minerals continue to be taken from the earth in immense by man
8. However hard she works, she never seems to succeed
