在下列各组的两个现象中都表现出光具有波动性的是
Labor can create wealth and at the same time beauty by labor, too.( )
A.makingB.madeC.is made
There only a few things in the room, like a bed, some chairs and an old desk.( )
A.wasB.wereC.is
Can you imagine all these are made by an 8﹣year﹣old girl?
clever girl.( )
A.HowB.How aC.What a
I like novels written by J.K.Rowling.So far I all her works about Harry Potter.( )
A.have readB.readC.am reading
He looks worried.I wonder he has already known about the result.( )
A.whereB.whetherC.why