用适当的引导语填空。

1.I can't understand ( ) you mean. 2.I really want to know ( ) he has gone to. 3.He says ( ) he will ask Mr Hu to help Jim with his lessons. 4.The problem is ( ) he doesn't agree with us on this thought. 5.The policeman asked ( ) purse it was. 6.Who can tell me ( ) students there are in your class? 7.I asked the assistant ( ) the T-shirt cost. 8.( ) he will come or not is still unknown. 9.Can you tell me ( ) Sally is here?I want to talk with her. 10.I can't deside ( ) road I should go down.

解题思路： 根据句意和语法进行分析。
解题过程：
解答：
1.I can't understand ( what ) you mean.
2.I really want to know ( what place ) he has gone to.
3.He says ( that ) he will ask Mr Hu to help Jim with his lessons.
4.The problem is ( that ) he doesn't agree with us on this thought.
5.The policeman asked (whose ) purse it was.
6.Who can tell me (how many ) students there are in your class?
7.I asked the assistant ( how much) the T-shirt cost.
8.( Whether) he will come or not is still unknown.
9.Can you tell me (if ) Sally is here?I want to talk with her.
10.I can't deside ( which) road I should go down.
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祝你的英语成绩越来越棒！
最终答案：略