Question

1. Seeing 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

Answer 1

1.     A考查动词。slip滑倒；ski滑雪；signal向……发信号；sink 下沉。句意：看到一大群人向他冲过来，他开始向山下跑，但他滑倒丫……。