问题

Are you afraid of _____ alone
A:sleep
B:to sleep
C:sleeping
D:sleeps;
B:to sleep
C:sleeping
D:sleeps;
正确答案是:
同类题型
The good thing about children is that they __________ very easily to new environments.[ ]
wanted to finish our task bynoon,but it didn’t quite _____ as planned.
Steve gave a look and said he had no idea what I was talking about.
31.Chicago lies _________ the two rail roads are connected
Mr. Li’s question seemed ________ toanswer. Few students in his class put up their hands.