问题补充：
I can see many boys in the playground.(对many boys 提问)
答案：
What can you see in the playground?
======以下答案可供参考======
供参考答案1:
What can you see in the playground?
供参考答案2:
What can you see in zhe playground.
供参考答案3:
What can you see in(这里应该是on）the play ground?
供参考答案4:
What can you see on the playgroud？
供参考答案5:
what can you see in the playground?
供参考答案6:
what can you see in the playground？希望采纳O(∩_∩)O~
