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

2、 It's getting dark. Please ________ the light.

3、 -How ________ do you visit your parents? -About three times a year.

4、 Five years ________ a long time.

5、  --Who can reach the book on the top shelf? -Jack can. He is ________ boy of us all.

6、  题目：Sorry, dear! I have to work now. Can we talk about it_?

7、 I find it important ________ English well.

8、  —Hello, Alice. You ________ very happy—Yes. I am happy. My parents are coming to see me tomorrow.

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

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

11、 The team was made of ten ________.

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

13、 Most of us don't agree ________ the new manager.

14、  题目：Would you please give_ to Mr. Liu, telling him to come here for me?

15、  The bus __________ yesterday.