风疹病毒易感者主要是（）
A.男性
B.儿童
C.女性
D.成人
E.育龄期妇女
参考答案：B
世界上海外华人最集中的地区是（ ）
A．北美洲
B．欧洲西部
C．东南亚
D．非洲
John has put on so much weight recently that his mother has to ____all his trousers to his measure.
A．let out
B．give away
C．bring in
D．make up
