Not until he went through real hardship ______ the love we have for our families is important.

当你向别人打听某事时，你应该说：________。

_____ miss the train, our teacher had to get up very early this morning[ ]

It has been announced that all the candidates ______ remain in their seats until all the papershave been collected.[ ]

It is reported that a man ________off an old lady in the street yesterday.[ ]