单项选择题
A.onB.withC.byD.in
A()is a completely flat surface.A.plantB.plainC.planeD....
单项选择题A()is a completely flat surface.
A.plantB.plainC.planeD.planet
They were leaning(),facing each other.A.forwardB.toward...
单项选择题They were leaning(),facing each other.
A.forwardB.towardsC.backD.against
I had nothing to add()my earlier statement.A.toB.upC.wi...
单项选择题I had nothing to add()my earlier statement.
A.toB.upC.withD.for