题目内容
16.One-third of the students in our class ______ from the peasant’s families, two-thirdof whose income ______ from farming.
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17.Excuse me, but could you tell me ______ telephone number? I’ve forgotten ______.
18.The man with grey ______ found two ______ on the plate of fish,which made him angre.
19.Look! The family ______ watching TV. Let’s join them, ______ we?
20.Besides them, several more ______ were asked to work in the Friendship Hotel.
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