1、 What___to you these days?A have been happened B have happ

題目：

1、 What___to you these days?A have been happened B have happened C has happened D are happened
2、He __you more help,even though he was very busy.
A.might have given B.might give C.may have given D.may give

解答：

1、 What_ (C has happened _)_to you these days?疑問詞作主語謂語動詞用單數.
2、He (_A.might have given)_you more help,even though he was very busy.
might have given 表示虛擬.
再問： 第2題爲什麼不選C ?_?