1、  My mother asked me what ________ for my birthday.

2、  He turned off the lights and then ________ the room.

3、  He is __________ than the other boys in his class.

4、 It ________ that he is still on the way.

5、  I'll write back as soon as I ________ your letter.

6、  题目：You_ see her, but I must.

7、 He'd like ________ with you. He wants some help.

8、 -Can you answer that question? -Sorry, I ________.

9、 题目：—Can I help you?—— Well, I'm afraid the box is__heavy for you,but thank you all the same.

10、 She is often ________ at by her classmates.

11、 I ________ these books for three years.

12、  Mary always got up too late, and never ________ enough time for breakfast.

13、  The twins __________ American girls. They are in __________ class.

14、 ________ he comes, we won't be able to go.

15、  一I can't find my pencil. ________ is on the desk.