1.I have had great deal of trouble______________________________.

　　2.___________ at the party. We thought he was still in hospital.

　　3. A good many proposals were raised by the delegates,________________.

　　4. Most doctors recognize that medicine is as much__________.

　　5. Some women ___________________ 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_________ to the health service.

　　7. Although punctual himself, the professor was quite used______________ his lecture.

　　8. The price of beer____________ per liter during the summer season.

　　9.Wed like __________________ five for dinner this evening.

　　10. Theres a man at the reception desk who seems very angry and I think he means____________.

　　11. It may be necessary to stop__________________________ in the learning process and go back to the difficult points in the lessons.