We must keep_______exercise to keep heathly为什么填doing

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Wemustkeep_______exercisetokeepheathly为什么填doingWemustkeep_______exercisetokeepheathly为什么填doingWemust

We must keep_______exercise to keep heathly为什么填doing
We must keep_______exercise to keep heathly为什么填doing

We must keep_______exercise to keep heathly为什么填doing
Keep doing意思为保持做某事,注意没有keep to do

填doing . keep doing sth 意思是一直保持做某事

keep doing 是搭配，就像fihish doing 一样

We must We must value what we We must ( )(work)hard. we must call the We must help them? we must help it why we must sleep We must learn it we must find a We must purify the “we must study them.是“we must study them. we must keep our classroom( ). we must ( ) our school nuiforms ( we must start tomorrow morning. We must ___(be) careful. So We must Study hard we must do more英译汉 We must be strict_____ourselves_____our work.