It's not good your eyes to play computers too often.A.At B.with C.for I often take in the morning and do math __ in the evening.A.exercise;exercise B.exercises;exercises C.exercise;exercises （要说明原因）罒▽罒

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$It's not good ______ your eyes to play computers too often.A.At B.with C.for I often take ______ in the morning and do math ______ in the evening.A.exercise;exercise B.exercises;exercises C.exercise;exercises （要说明原因） *罒▽罒*$

It's not good ______ your eyes to play computers too often.A.At B.with C.for I often take ______ in the morning and do math ______ in the evening.A.exercise;exercise B.exercises;exercises C.exercise;exercises （要说明原因） *罒▽罒*
It's not good ______ your eyes to play computers too often.A.At B.with C.for I often take ______ in the morning and do math ______ in the evening.A.exercise;exercise B.exercises;exercises C.exercise;exercises （要说明原因） *罒▽罒*

b with
C 前单后数

1. C for 固定短语be good for对......有好处
2. C exercise;exercises take exercise 锻炼 do +科目+exercises 做（科目）练习

第一题be good at 善于做某事固定搭配。选择A
第二题当exercise的意思是锻炼是他是单数，当他是做运动，练习是他是复数

It's Not Good My sister thinks it's not good to study ______ music on It's good ______ (help) the old. I'm not sure ______ it's a good idea or not.A.whether B.that C.how D.if it's not a very good It's not a good line翻译 It's not good to shout __others. but it's not good exercises是什么意思 We'd better ______ sleep in the bad.I think it's not good for your eyes.We'd better ______ sleep in the bed.I think it's not good for your eyes. failure is not bad,it's not good,either It's not hard.you can do it ______(you) It's important for us ______ a good breakfast It's good ______(relax) by watching game shows. It's not good for parents to s____ their children. It's not good _____(cut) in line. It's not good to w---too much TV. It's not good to__ ___your parents.(撒谎) It's not good for parents to s_____ their children.