问题

I was just about to jump into the river________the guide stopped me saying “Dangerous”[ ]

A: while
B: when
C: if
D: because

正确答案是：

同类题型

It’s May 1st.

_______ could be judged from her eyes that she was terribly sorry for what he had done

Not until David came up to me, _____.

How did the movie finally ? I couldn’t wait to see the ending.

In such dry weather, the flowers will have to be watered if they _____. [ ]