The traffic light is yellow, you may __________.
A. stop B. wait C. go
They like __________ to music.
A. listening B. listens C. listen
Lucy is ten. Kate is nine years old. So Lucy is __________ than Kate.
A. older B. younger C. fatter
-Whose ruler is it?
-Maybe it's____。
A. Peter B. Peters C. Peter's
I'v got a toothache. I'm going to the____.
A. park B. dentist C. teacher