Not until he left home ________ the importance of his family.

The stream________during the hot summer, but it isfull of water in spring.

下列各项中，没有错别字的一项是

I hear local people are trying to prevent some businesses building factories here.—–Yes. They say the place may be polluted if some factories _______in the future.

The manager had fallen asleep where he_____, without undressing. [ ]