There were so many cars held up by the heavy rain on the road that we had no but to wait.
--Could you do me a favor? --It depends on _____it is.
_____at what he said,she asked him why he said so to her.
Soon , Mary _____ the shock and became calm again.
The children were surprised by the sudden _____ of their teacher.
—Do you think we can get there on time? —Yes,_________ the bus does not break down.