1.--I am sorry to tell you that you shouldn't smoke here.Ple

1.--I am sorry to tell you that you shouldn't smoke here.Please look at the sign.
--Oh,I am sorry.I ___ .
A.don't notice
B.didn't notice
C.will notice
D.haven't noticed
2.In the past fiw years China __ greatly.
A.has changed B.has been changed C.changed D.was changed
3.To make our city more beautiful,rubbish ___ into the river.
A.needn't be thrown
B.mustn't be thrown
C.can't throw
D.may throw
3.Lucy,remember ___ the light before you leave the room.You often forget ___.
A.to turn off,turning off it
B.turning off,to turn it off
C.to turn off,to turn it off
D.turning off,turning it off
4.She couldn't help __ her childhood days in the countryside.
A.to think of
B.thinking of
C.think of
D.thought of
5.The shoes are not worth _____.
A.to pay so much
B.paying so much
C.to pay so much for
D.paying so much for
题号有些问题
见谅