17.Excuse me, but could you tell me ______ telephone number? I’ve forgotten ______.
A. Comrade Chen’s… his
B. Comrade Chen…his
Comrade Chen’s… him
D. Comrade Chens’… hers
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18.The man with grey ______ found two ______ on the plate of fish,which made him angre.
A. hairs… hair
B. hairs… hairs
C. hair… hairs
D. hair… hair
19.Look! The family ______ watching TV. Let’s join them, ______ we?
A. are… will
B. are… shall
C. is … will
D. is … shall
20.Besides them, several more ______ were asked to work in the Friendship Hotel.
A. man-servants
B. men-servants
C. man-servant
D. men-servant
网络产品的目标市场调查，主要解决的问题是（ ）
A. 目标客户在哪里
B. 目标客户现在从哪里购买这些产品
C. 网络市场规模有多大
D. 网络产品的独特卖点是什么
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