用所给单词的正确形式填空 (10%)

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

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

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

小题4:Have you ever ______ (be) to Disneyland?

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

4个百分率作比较，有1个理论数小于5，大于1，其他都大于5（）。

A.只能作校正X2检验

B.不能作X2检验

C.作X2检验不必校正

D.必须先作合理的合并

E.以上说法都不对