4, B. Look at ! It is really too small for her and her equipment.
5, D. Though I love him so much, I can't bear his offence to my mother's mistake.
6, A. You shouldn't go out now because it is raining heavily.
7, B. Although his health is weak, he still works hard to complete this project.
8, A. They had completed this plan yesterday, they would have been studied at a famous university.
9, C. Whatever she does, her boss will find fault with her.
10, D. The accident makes everyone impossible to cross the road.