I am not in the market for a new mobile phone at the moment. I can’t afford it.
Mr. Wu is good ____ math. He teaches _____ math well.
Thanks for _____ me.
_________ the classmates’ help, we won the basketball final at last.
He is very serious. No one can make him___.
—I knocked into a tree when I went to the bus stop for my friend. —I suppose you _____too fast.