问题描述：
( C ) 7.— I can’t keep myself active during the day.
— You ____ take more exercise.
A.must not B.must be C.need to D.needs
告诉我这题为什么选c.
He spent —— time in playing when he was in the medical college.
( ) A.much B.a little C.no D.little
还有这题
— You ____ take more exercise.
A.must not B.must be C.need to D.needs
告诉我这题为什么选c.
He spent —— time in playing when he was in the medical college.
( ) A.much B.a little C.no D.little
还有这题
问题解答：
我来补答展开全文阅读