单项选择题
A.for B.in C.at D.on
I prefer tea（）coffee.A.toB.fromC.byD.with
单项选择题I prefer tea（）coffee.
A.to B.from C.by D.with
I prefer the TV（）the radio.A.toB.onC.atD.with
单项选择题I prefer the TV（）the radio.
John（）to be a teacher before the war, but now he works ...
单项选择题John（）to be a teacher before the war, but now he works in a hospital.
A.is used B.was used C.used D.use
