问题
选择题
A group of young Americans have come to Beijing for a visit. Half of them, ___is, 50 persons, can speak Chinese fluently.
A．that
B．which
C．who
D．it
答案
答案：A
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A group of young Americans have come to Beijing for a visit. Half of them, ___is, 50 persons, can speak Chinese fluently.
A．that
B．which
C．who
D．it
答案：A