单项选择题
A.is due B.is due to C.is due for D.due to
She was very concerned（）her mother's illness.A.aboutB.f...
单项选择题She was very concerned（）her mother's illness.
A.about B.for C.with D.on
She asked me whether（）English.A.was IB.am IC.are youD.I...
单项选择题She asked me whether（）English.
A.was I B.am I C.are you D.I was
He asked me where（）from.A.did I cameB.I cameC.do I come...
单项选择题He asked me where（）from.
A.did I came B.I came C.do I come D.I come
