―IsMr.Smithrich?―Yes,veryrich.Whenheworkedin
問題詳情:
― Is Mr. Smith rich?
― Yes, very rich. When he worked in ________town, he earned a lot. Now he has a big farm in ________ country.
A. at; the B. /; / C. /; the D. the; /
【回答】
C
解析:in town在城裡,in the country在農村均為固定搭配。
知識點:固定句型
題型:選擇題
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.已知各項均不為零的數列{an},定義向量.下列命題中真命題是( )A.若∀n∈N*總有cn⊥bn成立,則數...
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