1 . 让他知道他的朋友是否会来参加晚会。
Let him ________ ________ his friends can come to the party or not.

2 . Let’s _______ (visit) the history museum.

3 . meet, the library, let’s, in front of, him
___________________.

4 . You shouldn’t let others ________ (抄袭) your homework.

5 . 选词填空。

leg   swim   come   animal   Australian

1. The dogs are my favorite ________.
2. Jason is my friend. He lives in ________ now.
3. Let’s _________ in the river.
4. The tiger _________ from Africa.
5. My dog Jimmy has four short ________.

6 . Let’s ________ (swim) in the lake (湖).

7 . Let him ________ a rest. I think he is very tired.

A．have

B．to have

C．having

D．has

8 . climb, let’s, West Hill, the
_____________________________.

9 . Let __________ (we) join the chess club.

10 . We shouldn’t let those factories ________ our environment. (pollution)