Shopping on line is very popular .We find easy to shop on line .
Jim can’t go to school ___ his parents have no money.
___ 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____?