题目内容：

用所给单词的正确形式填空 (10%)

1.How long have you been _______ (collect) shells?

2.I was _______ (annoy) by his bad manners.

3.Why don’t you ______ (buy) a calendar for her?

4.Have you ever ______ (be) to Disneyland?

5.There is nobody in the classroom, ______ (be) there?