—Would you like to go hiking with us?—Sorry. My grandmother is ill. I'll go to her.
By the time my mom _____ to our school, all others of my class ______ for home.
Spring Festival is coming. I’ll _________my room. I don’t want to live in a dirty place.
—I left my keys in my office. Could you help me ___ them? —OK.I’ll do it at once.
We have ______ our sports meeting till next Monday because of the bad weather.
______ on real ice is very exciting.