题目内容
【题目】This kind of dictionary is very useful, but it is nowhere __________.
A. buy B. bought C. to buy D. to be bought
【答案】D
【解析】D 不定代词nowhere之后需用不定式作后置定语，buy与句子主语之间的关系是被动，故用被动形式to be bought。这种词典非常有用，但是到处都买不到。
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题目内容
【题目】This kind of dictionary is very useful, but it is nowhere __________.
A. buy B. bought C. to buy D. to be bought
【答案】D
【解析】D 不定代词nowhere之后需用不定式作后置定语，buy与句子主语之间的关系是被动，故用被动形式to be bought。这种词典非常有用，但是到处都买不到。