_____ is known to us all is that the 2010 World Expo will take place in Shanghai.
A.It | B.What | C.As | D.Which |
A left-luggage office is a place where bags _______ be left for a short time, especially at a railway station.
A.should | B.can | C.must | D.will |
Sir, you ______be sitting in this waiting room. It is for women and children only.
A.mustn’t | B.can’t | C.won’t | D.needn’t |
Jack _____ yet, otherwise he would have telephoned me.
A.mustn’t have arrived | B.shouldn’t have arrived |
C.can’t have arrived | D.needn’t have arrived |
I told Sally how to get here, but perhaps I ____ for her.
A.had to write it out | B.must have written it out |
C.should have written it out | D.ought to write it out |
Michael ______ be a policeman, for he is much too short.
A.needn’t | B.can’t | C.should | D.may |