Some ______are ______their time to help the old people.A.volunteer; volunteer B.
题型:不详难度:来源:
Some ______are ______their time to help the old people.A.volunteer; volunteer | B.volunteers; volunteering | C.volunteering; volunteers | D.volunteers; volunteers |
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答案
B |
解析
试题分析:句意:一些志愿者在自愿花时间帮助老人。volunteer志愿者,名词,volunteer to do sth.自愿去做某事,动词,这是一个现在进行时的句子,故选B。 |
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