3. He has to babysit his sister.(变为一般疑问句）

       he        to babysit his sister?

2. I can’t join you because I have an exam. (对画线部分提问)

      __you join us? 

 根据首字母提示补全对话。

A： Hi,Betty. Can you come to my birthday party on Saturday afternoon?

B： I’m s 1     I can’t. I h 2      to help my parents. 

A： That’s too bad How a 3      you,Jeff?

C: 4      you come to my party?

C： I’d 1 5      to.

A： Tony,can you come to my birthday party?

D： W 6      is it?

A： On Sunday afternoon.

D： Oh,no，I c 7     . I have to pre pare f 8      an exam.

A： What about you，Tina?

E： I’d love to but I have to go to the doctor w 9      my little sister. She is ill. A： What a pity! Maybe a 10      time.

E： Sure. Thanks for asking.

1.        2.        3.       

4.        5.        6.       

7.        8.        9.       

10.       

1. I have to go to the doctor on Tuesday. (对画线部分提问）

__you have to go to the doctor?

 用 too much/many 与 much too 填空 

1. There is        pollution in the city.

2. There are        people in the small town.

3. He felt        tired.

(   ) 3. He        go to bed        I came back. 

A. didn’t;until B. not;until

C. doesn’t;until D. because; so

2.他昨晚直到9点钟才学英语.

He        study English        9 o’clock last night.

 1.我昨晚学英语一直学到9点钟.

I studied English        9 o’clock last night.

5. We will come to the        (open) of our new library tomorrow morning.

4. They look forward to          (meet) their friends.