单项选择题
A.are going B.are going to C.is going to
David's younger brother is（）engineerA.aB.anC.the
单项选择题David's younger brother is（）engineer
A.a B.an C.the
There aren't（）books in my bag.A.noB.someC.any
单项选择题There aren't（）books in my bag.
A.no B.some C.any
I（）the flat in the centre of the town.A.am interested i...
单项选择题I（）the flat in the centre of the town.
A.am interested in B.am interesting in C.interest
