---Excuse me，sir．This is a non-smoking room．
---Oh，sorry．I the sign．
A．don’t see B．didn’t see
C．won’t see D．wasn’t see
Every day, too much water in our school．We should save it．
A. wastes B．is wasted C．was wasted D．wasted
---Where is Mr. Wang?
---He together with his students Cunjin Park．
A．have gone to B．has been to
C．has gone to D．have been to
---Mr Zhang，must I hand in my report today?
---No．you ．
A. mustn’t B．can’t C．needn’t D．may not
strong the wind is! I'm afraid we can’t go to the sea today．
A．What B．How C．What a D．How a
Don’t so often.． It’s bad for your health．
A．get up B．show up C．look up D．stay up
