问题描述：
The yong man ___(buy) a color TV ,hasn't he?是什么时态
I ___(play) the piano when someone knocked at the door.
look the chirdren _____(sleep).
There _____be a basketball match tomorrow.
He_____(sleep) 7 hours every day .
when ______(be) you born?
I ___(play) the piano when someone knocked at the door.
look the chirdren _____(sleep).
There _____be a basketball match tomorrow.
He_____(sleep) 7 hours every day .
when ______(be) you born?
问题解答：
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