---You aren’t a stranger, are you? --- , don’t you remember me at the school gate ten minutes ago?
_____ is necessary for us to finish the work in two days.
—Why does Jane feel so upset? —She failed the exam and she has no friends ____.
At the beginning, I found it hard to get up early. Now I _____ it.
The weather in Beijing is not ____ good ____ that in Hainan.
—There is ____ with my watch, so I don’t know the time. —Let me have a look.