问题

The building required ________by the end of the year.

A:to pull down
B:pulling down
C:being pulled down
D:pulled down;

正确答案是：

同类题型

y 1st, 1921, the red boa new start forChinese people.

Can you tell me ________?

Where is Simon- He with two of his friends_______ games in the garden.

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nt years, _____ problem of global warming has been very serious—That’s right People are facing ____ number of natural disasters now