Children knock___ Uncle Wang’s door. He gives them some candies __ a treat.
I’m sorry I can’t play basketball with you this afternoon.I have _____ homework to do.
Can you come to my party ______ Saturday morning?
一How do they get to school?一They ________ the subway.
Mr. Zhang ________ to school on the school bus every day.
It takes rile an hour ______ to school by bike.