题目内容：

1.The president spoke at the business meeting for nearly an hour without ___________ his notes.

2.It’s said that all the teachers and students ____________ the new computer lab for free in the near future.

3.Plastic bags and boxes which ___________ “white pollution” have become a serious problem which has caused a great concern among the public.

4.The board ___________ two foreigners and two Chinese all used English to communicate with the job hunters in the interview.

5.Teachers should encourage their students _____________ different opinions in group discussion, which helps to develop their critical thinking.

6.Her health ____________ under the pressure of working over the last two years.

7.His house ___________ last night but the strange thing was that the burglar alarm didn’t go off.

8.After ____________ my daughter from school, we drove to my sister’s home to attend her 10th wedding anniversary.

9.The teacher __________ the whole class into 6 small groups and assigned different tasks to them in her demonstration class.

10.It ____________ to plan so far ahead because a lot of things will have changed dramatically by next year.