问题

ou see to ___ that my apartment iscleaned during my absence —No,problem

A:to which
B:by which
C:fromwhich
D:on which

正确答案是：

同类题型

If water becomes increasingly scarce in decades _______, water shortage will become a hot issue all over the world.[ ]

May I______ your English-Chinese dictionary—-Sorry, I ______ it at home.

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You have to believe in _________. That’s the secret of success.