1. I have had great deal of trouble ___keeping up with the rest of the class____.(跟得上班上的其他同学)
2. ____None of us expected the chairman to turn up_____ (我们没有人料到主席会出现) at the party. We thought he was still in hospital.
3. A good many proposals were raised by the delegates, _ as was to be expected_ (正如预料的那样).
4. Most doctors recognize that medicine is as much __an art as it is a science___(是一门科学,也是一门艺术).
5. Some women ___could have made a good salary____(本来能够挣一份很好的工资) in a job instead of staying ho