问答句连线。
1. What are they doing?  

A．Yes, I do. 2. Do you like skipping?

B．They are swimming. 3. Are they playing games.

C．No, they aren’t.

--- Can I cross the street here? (    )
--- I’m afraid not. You may get hit by a car.

A．

B．

选择恰当的图片。
(   ) 1. --When did you go to the park? A.      B.
--I went to the park last weekend.
(   ) 2. I went to see the tigers and elephants.  A.   B.
(   ) 3. We bought a pair of shoes for you.   A. B.
(  ) 4.I went swimming yesterday.  A.   B.

当你想知道学跳舞难吗，你会说：___(  )

A．Is it difficult to learn to dance?

B．It is difficult to learn to dance.

给句子选择正确的答语。

A．We mustn't play with matches.

B．Yes, I do.

C．No, you can't.

D．No, you mustn't. The smoking room is over there. You can smoke there.

E．We must wash hands.
【小题1】What must we do before lunch? （______）
【小题2】What mustn't we do at home? （______）
【小题3】Do you know about fire safety? （______）
【小题4】May I smoke here? （______）
【小题5】Can I throw the stone into the river? （______）