﹣Tim， you spent too much time on computers． It's harmful to your eyes．
﹣ see． Thank you． I will do more sports instead．（ ）
A．is good forB．is bad for
C．is helpful to
﹣Tim， you spent too much time on computers． It's harmful to your eyes．
﹣ see． Thank you． I will do more sports instead．（ ）
A．is good forB．is bad for
C．is helpful to
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