His _____ English is very good, because

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问题选择题

His _____ English is very good, because he is from Australia, an _____ country.

答案

答案：C

略

单项选择题 A1/A2型题

单纯红细胞再生障碍性贫血时可见（）

A.幼红细胞生存时间缩短

B.血清铁减低

C.血清铁饱和度减低

D.血和尿中促红细胞生成素增多

E.骨髓增生活跃

选择题

Dalian is well-known for its mild climate, but it________be very cold in winter.

A．shall

B．can

C．should

D．must