题目内容：

题四：按要求完成句子。

1.I saw some people in the playground.(改为否定句) 

I  _____ see _____ people in the playground.

2.She couldn’t sing because she had a sore throat. (对画线部分提问)

______ _______she sing?

3.Her birthday is on March 17th.(改为同义句) 

She _____ _______ on March 17th.

4.It looks like a ball. (对画线部分提问) .

______ ______ it ______ like?