动词应用 （共10 小题，计10分）
用动词的适当形式填空，必要时可加助动词或情态动词。
I think you can’t put off     (go)to see the dentist any longer.
The teacher told the boy _________ (not play) football on the street.
You could _________(give) him a ticket to a ball game.
Your mother like a color bike. Why don’t you       (buy) one for her.
I will write to you as soon as I _________(get) home.
His father watched TV while his mother __________(cook).
It’s difficult ________(find) a rabbit in so many holes.
—What were you doing when he arrived?
—I ________(write) a letter at that time.
_________(copy) others’ homework is wrong.
When I don’t know what _______(do), I usually ask him for help.