1. Could you tell us________he will come?
2.What the doctors really doubt is________my mother will recover from the serious disease soon.
3.All this was over twenty years ago,but it is________it were only yesterday.
4.The Chinese people are proud of________they have achieved in the past ten years.
5.Mary wrote an article on________the team had failed to win the game.
6.Do you remember________he came here?
7.He succeeded.That’s ________ he worked harder than others.
8.He demanded________he should be sent to work there.
9.Nobody has the idea________the meeting will begin.
10.You may choose________topic you like to write your composition.
答案 1.when 2.whether 3.as if 4.what 5.why 6.how 7.because 8.that 9.when 10.whatever