David, get up early, _______ you'll not catch the early bus.
I know you are busy, but you look pale. You’d better ___________a good rest.
Thousands of people have to leave the village ____ they love deeply because of the pollution.
--Could you please tell me ________________?--Outside the museum.
I don’t like hot weather. This summer I want to stay in Yunnan, because the weather there is _________ Guangzhou.
He __________computer games when his parents left home. So he didn’t know where they were.