单项选择题
A.at B.on C.from D.with
We are disappointed to find that the quality of the pro...
单项选择题We are disappointed to find that the quality of the products here（）very poor.
A.to be B.have been C.is D.being
Unfortunately, his father（）in the traffic accident yest...
单项选择题Unfortunately, his father（）in the traffic accident yesterday.
A.dead B.was killed C.killed D.was dead
Uncle Sam sent him a（）bicycle as a birthday present.A.r...
单项选择题Uncle Sam sent him a（）bicycle as a birthday present.
A.red sports new B.sports new red C.new sports red D.new red sports
