_____ is a little difficult.A.Unit fifth B.The unit fifth C.Five unit D.The fifth unit

问题描述:

_____ is a little difficult.A.Unit fifth B.The unit fifth C.Five unit D.The fifth unit
_____ is a little difficult.
A.Unit fifth B.The unit fifth C.Five unit D.The fifth unit

_____ is a little difficult.
A.Unit fifth B.The unit fifth C.Five unit D.The fifth unit
选项是D
意思是:“第五单元有点难”.