单项选择题
The machine is making terrible noise. It wants______.
A.to oil
B.oiling
C.to be oiling
D.being oiled
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单项选择题
My daughter has a headache and a fever. She appears______a cold.
A.to has caught
B.to catch
C.to have caught
D.to have been caught
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单项选择题
Jack stays at home all day and feels lonely. He needs a friend______.
A.playing
B.to play with
C.to play
D.playing together
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