2011四年级人教版英语暑假作业71页第1题

问题描述:

2011四年级人教版英语暑假作业71页第1题
what' s Bob doing?( )
A.Cleaning a room.B.Making a mess.
C.Shopping for toys.D.Sleeping in a bed.
what' s Bob doing?( )
A.Cleaning a room.B.Making a mess.
C.Shopping for toys.D.Sleeping in a bed.

A 正打扫房间呢 B 正捣乱呢 C 正买玩具呢 D 正睡觉呢
选B
考察的是不定冠词a的用法