单项选择题
A.is repaired B.has been repaired C.was repaired D.is being repaired
Are trees（）along the road right now?A.plantB.plantingC....
单项选择题Are trees（）along the road right now?
A.plant B.planting C.being planted D.planted
A new hotel（）in the center of town at the momentA.has b...
单项选择题A new hotel（）in the center of town at the moment
A.has been built B.is built C.was built D.is being built
This ancient letter was written（）a pen.A.withB.byC.onD....
单项选择题This ancient letter was written（）a pen.
A.with B.by C.on D.in
