（31）What can you know from Sign （1）？
______
A．We can't smoke or go boating here．
B．We can't skate or smoke here．
C．We can't wash clothes here．
D．We can do the shopping here
（32）From Sign （2）we know we can
______
here．
A．play computer games
B．stay overnight here
C．have something to eat
D．have a good sleep
（33）Sign （3）means you can
______
here．
A．have breakfast at 8：00on Saturday
B．have dinner at l0：00P．M．on Monday
C．have dinner every day
D．have something at 10：30P．M．on Tuesday．