------ Can I pay the bill by check ? ------ Sorry, sir. But it is the management rules of our hotel that payment _______ be made in cash.
13.______studying abroad can be hard, it can broaden your understanding of the word.
12. The problem wasn’t_______hard. The little girl worked it out quickly.
11. Jane accidentally________where she had hidden the birthday present for her mother.
10. An earthquake happened in Haiti on Jan.12,2010,________many countries in the world paid close attention to.
9. The other day he ran across one of his friends on the street, whom he ___________for ages.