Where is Robert?He ____(play)football on the playground.用适当形式填空,回答者请附带理由!
问题描述：
Where is Robert?He ____(play)football on the playground.
用适当形式填空,回答者请附带理由!
答
is playing
问的是“Robert现在在哪里”
回答当然用现在进行时