I will be back in ___ A.half a hour B.a hour C.a hour and half D.half an hour

题目

I will be back in ___ A.half a hour B.a hour C.a hour and half D.half an hour
The ( ) Lesson is easier than this lesson( )
A.five,six B.fifth ,sixth C.fifth ,six D.five ,sixth
she lives in ( )
A.206 Room B.206 room C.Room 206 D.Rooms 206

答案