1．I have had great deal of trouble______________________________.(跟得上班上的其他同学)

2．___________(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,________________(正如预料的那样).

4. Most doctors recognize that medicine is as much__________(是一门科学，也是一门艺术).

5. Some women ___________________(本来能够挣一份很好的工资) in a job instead of staying home, but they decided not to work for the sale of the family.

6．Over a third of the population was estimated_________(无法获得) to the health service.