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题目
Tom did nothing but( )back what he said.
A.to take B.took C.taking D.take
Would you be ( ) to show me the way to the City Hall?
A.enough good B.so good as C.good enough as D.as good as
The machine will last longer,if ( ) properly.
A.using B.to use C.used D.it will be used

提问时间:2021-01-14

答案
举一反三
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