At that time, he was studying in_______ university. And it was a famous one.
--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.