题目内容
（请给出正确答案）
A．has served
B．would have served
C．serves
D．must serve
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更多“Frequently single-parent child…”相关的问题
Besides English, French is another frequently used language of science.
A．Right
B．Wrong
C．Not mentioned
A．frequently is
B．are frequently
C．it is frequently
D．where they are frequently
A．frequently is
B．are frequently
C．it is frequently
D．where they are frequently
A.likely
B.presumably
C.frequently
D.considerably
A.includes
B. causes
C. contains
D. involves
f the time.
A. practically
B. necessarily
C. urgently
D. frequently
[A] Frequently
[B] Incidentally
[C] Deliberately
[D] Especially
HIV infection frequently occurs in a household setting.
A．Y
B．N
C．NG
