—_______ are you leaving for Shanghai?—In a couple of months.
-We must act now because time is _______. -Yes. Let's start.
---Sir, did you see the sign “ No Parking” ?--- Sorry. I didn’t know parking here isn’t________.
The new traffic rules have been carried out. If people run red lights on roads, they .
Without enough trees, soil won’t be kept____. And then sandstorms may happen.
The United Nations has done a lot for the peace of the world since it was in 1945.