the key to ...意思是 ...的鑰匙；...的關(guān)鍵.
這里的to是介詞,所以要在介詞后面進行否定,即 the key to not...
而 let 是實意動詞,介詞后面需要將其改為動名詞,就是 the key to not letting.
選A
Many teachers have come to realize that one of the keys ____ their students lose interests in their subjects is to chang
Many teachers have come to realize that one of the keys ____ their students lose interests in their subjects is to changes ways of teaching.
A.to not letting B.not to let C.not to letting D.to letting not
A.to not letting B.not to let C.not to letting D.to letting not
英語人氣：533 ℃時間：2020-06-26 16:33:39
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