问题
You need to stop him from ______ alone.
A:go
B:to go
C:going
D:went;
B:to go
C:going
D:went;
正确答案是：
同类题型
Mary ______ my letter; otherwise she would have replied before now.
It’s so nice to hear from her again. ______, we last met more than thirty years ago.
They are always ready to give the vacant seats to _______ comes first.
“Fail to do your homework again?”—“Sorry, I ____ something else and didn’t hear your assignment.”