1、 The teacher asked me to ________ some books here.

2、  Not until I began to work __________ how much time I had wasted.

3、 Only in this way ________ work out this math problem.

4、 Father didn't tell me when he ________. I'll telephone you as soon as he ________.

5、 We ________ a sports meeting the day before yesterday.

6、 When the students came into the classroom, the teacher ________ on the blackboard.

7、  My little sister is five years old, __________ she can swim well.

8、 Do you know that woman ________ in black?

9、  The books on the desk are not mine; they're ________.

10、  He drives much ________ than he did ten years ago.

11、 My mother is sleeping. Would you please ________ the radio?

12、 The article ________ on this subject was written by Mr. Black.

13、  We are waiting for Li Mei to________ us a good story.

14、  题目：He said that he remembered_ the door when he came out.

15、  He has learned to use chopsticks since his family ________ to China.