Question

it's important to sieep eight hours _______night A.a B,every C.each D.all of the above 麻烦各位了

Answer 1

it's important to sieep eight hours ____D___night A.a B,every C.each D.all of the above

答案是D

追问

为什么

追答

each a 和 every 都可以和night连起来用。

追问

tangram_guid_1361524734293?///???/不懂

追答

这是固定用法。你只要记住就行了。都是指每晚的意思。

Answer 2

D all of the above

since a/ every /each are also correct
hope i can help you

追问

追问 为什么

追答

a night =一个夜晚
every night = 每一个夜晚
each night =每个夜晚

在上述问题 "it's important to sieep eight hours ____D___night A.a B,every C.each D.all of the above "
所有答案都可以接受的。