-- _______ will the fog and haze(雾霾) last? ---I have no ideA. There is no sign of an enD. A. How long B. How soon C. How far D. How often
–Do you like staying at home ________? --No, I don’t. That always makes me feel lonely(孤独的).
My father stayed in the library ___________.
__________ he studied hard, he still failed the test.
Mr. Zhang will give us a report as soon as he _________.
—Let’s play tennis. —_________.