5.There ______ (be) a pencil and two books on the desk.

4.Could you ______ (help) me?

3.Let’s ______ (take) the twins to the classroom.

2.This table is too heavy. I can’t ______ (carry) it.

1.I want ______ (put) these books in the box.

10.大多数学生对英语语法没有把握。

　 Most students ______ ______ about English grammar.

9.你在九点完成作业吗？

　 Do you ______ ______ ______ at nine?

8.我们的英语老师很严格。

　 Our English teacher______ very ______ ______ ______.

7.你认为自然科学很有趣吗？

　 Do you think ______ ______ ______?

6.你肯定他明天会来吗？

　 ______ you ______ that he will come tomorrow?