介绍:
感谢收听,期待你对本期节目的评论留言哦～
Story:
What are you doing now?
What are the kids doing now?
Pam is running and kicking.
Tam and Matt are digging.
Sam is tossing the ball.
Tim is batting. He will hit the ball.
What are you doing now?
语法：
动词be (am are is) +动词ing 表示正在进行的动作。
I am running.
Pam is running and kicking.
Tam and Matt are digging.
固定搭配词语 have to has to
第一人称（ I we ），第二人称( you)，第三人称复数(they) 用have to
I have to eat.
You have to eat.
We have to eat.
They have to eat.
第三人称单数用has to
He has to eat.
She has to eat.
It has to eat.
Pam(人名) has to eat.
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