题目内容
---I’m afraid e-books might be bad for our eyes.
---Hmm, but they will be helpful for us_________we put them to good use.
A. as soon as B. as long as C. even though D. so that
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题目内容
---I’m afraid e-books might be bad for our eyes.
---Hmm, but they will be helpful for us_________we put them to good use.
A. as soon as B. as long as C. even though D. so that