use too much plastic.A. Can’t B. Shouldn’t C. Don’t
当你在上午遇到老朋友并想问候他的时候,你可以说: A.Good morning. B.Good afternoon.
—I see red. —I see aapple. A.black B.red
I haveeraser. A.a B.an
Nicemeet you. A.to B.too
Show me. A.green B.a green