几道英语单项选择
1.---There are two new bags on the sofa
---Yes,but _____ of them is mine.
A.all B.both C.either D.neither
2.This is the very house ____ we are looking for.
A.which B.that C.what D.where.
3.---Listen!Someone is playing the piano.
---____ sweet music.
A.How B.How a C.What D.What a