问题
选择题
.----Who are those people gathering in front of the building?
-----A group __________ itself the youth volunteers.
A.calling
B.calls
C.called
D.to be called
答案
答案:A
考查现在分词做定语,句意:--在大楼前聚集的人是谁?--一群自称为青年自愿者的人。说明这个空填定语,A group和call itself是主动关系,用现在分词做定语。选A。