Don't read_____(in the bed ,in bed).选哪个?为什么?

Don't read_____(in the bed ,in bed).选哪个?为什么? Don't sleep in the bed.为什么用sleep Don't read ( ).A.at bed B.in bed C.in the bed Don't read in bed. Don't read _ .A\ in the bed B\ in bed C \on the bed D\on bed Don't read in bed.为什么用in Don't read in bed or on the bus中哪个是乘车的单词 The mother told her son Don't read in bed Don't read in bed any m_r_ 为什么是have breakfast in bed而不是in the bed? on bed,on the bed,in bed,at the bed 为什么“Don't read in bed.It's bad for your eyes.”这里用“in bed”而不用