-We haveng't heard from jane for a long time.
问题描述：
-We haveng't heard from jane for a long time.
-What do you suppose _____ to her?
A.has happened B.happened
该选哪个?为什么?
2.-Do you want to be a doctor when you grow up?
-I haven't decided _______.
A.whether or not B.whether or not to
C.whether be or not D.to be or not
如何做?为什么选D?
答
b
d