问题

The volunteers a lot of help to the community for nearly ten years.

A:offered
B:are offering
C:will offer
D:have offered;

正确答案是：

同类题型

e to face up to painful experience can be ________ form of stress itself, and can increase ________ possibility of illness.

Which class are you going to ____ after school?

The old woman ______ her sons and daughters ______ and see her from time to time.

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Nowadays people take___ exercise a day asthey did in the past because of widely used automobiles.