问题
the big crowd coming towards him, he started to run down the hill，but____ and went down on his hands and knees in the melting snow.
A:slipped
B:skied
C:signalled
D:sank;
B:skied
C:signalled
D:sank;
正确答案是：
同类题型
Mr smith has two children．One is a teacher and________ is a doctor．
I think he falls asleep already, _________ I’m not completely sure.
ilure in the exam was expected________, it was still very disappointing
_____ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.[ ]