Put on your coat, ________ you may catch a cold.
___ knows the way to the hospital so we have to ask the policeman for help.
____! We don’t have much time. A Come out B Come along C Come on D Come over
I will visit my aunt ____I am free tomorrow. A if B whether C when D after
Do you know____?
My sister is only five, but she always tells me ____ my pictures are good or not.