—It’s difficult for the villagers to cross the river for market.—I think a bridge _________ over the river.
--- How long have you _________ there?--- For about one week.
I'm expecting a pet dog for long,but mom has no time to buy _________ for me.
Michael Jordan is a man who never gives up in his life. And that's _________ he succeeds.
Auatar(阿凡达)is such _________ wonderful science fiction movie that I want to see it _________ second time.
—Are you going to help John with his Chinese this evening?—No,He ________ to England.He will be back next month.