下面这些英文题目该选什么呢?

题目

下面这些英文题目该选什么呢?
When ___the road,she look round carefully.
A cross
B crossing
C crossed
D across
That book is really worth___
A reading
B to read
C of being read
D reads
___when he felt a gentle touch on his elbow.
A Hardly he had fallen asleep
B Hardly had he fallen asleep
C Hredly fallen asleep had he
D Hardly hr fallen asleep

答案

B
C
B