问题

When you _______ the top of the mountain, you will feel any problem you have is just nothing at all.

A:to buy
B:buy
C:buying
D:for buying;

正确答案是：

同类题型

___ he will come or not is_____ worries us

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I sight of my old bagat the back of the bus and went directly home.[ ]

Don’t respond to any e-mailspersonal information, no matter how official they look.

The man _______you played a trick is from Canada.