用所给动词的适当形式填空。

1. —Why isn't Jim here?

    —He's busy. He ________(take) care of his aunt's baby at home now.

2.—What's Mr. Clarke going to do tomorrow?

   —He'll go fishing if it_________(not rain).

3. Linda_________ (make) a lot of friends since she came here last autumn.

4.—Did Jack finish_________ (clean) the house this morning?

   —Yes, he did.

5.—Have you heard of the Great Wall, Mr. Read?

   —Yes. It's a place of great interest in China. It ________(build) thousands of years ago.

交通运输业和部分现代服务业试点税率的选择是在测算后适中确定的结果。