一、写出下列动词的 -ing 形式。

1. jump
2.

play
3. write
4. dance

5. sing
6. figh

t
7. do
8. swim

9. read
10. take

1. jumping
2. playing
3. writing
4. dancing
5. singing
6. fighting
7. doing
8. swimming
9. reading
10. taking

二、读对话,选词填空。
Is Are
1. A:____ they playing ping-pong?
B: No, they aren't.
ducks duck
2. A: What is the ____ doing?
B: It's swimming.
What Where
3. A:____ are they doing?
B: They are taking photos in the park.

1. Are 2. duck 3. What