It is said that the old coins ______ under the earth for about 100years by the time they were discovered.
I am really worried about his grades in the coming test because of the little use he ______ of his time.
I didn’t go outing on National Day because the bad weather ______ the difficulty.
______, a small advertisement held my attention, which read “Easy job. Good wages. No experience necessary.”
— I hope you can come to the dance next Saturday. — ______. .
— The current international financial crisis is affecting most countries in the world. — Would it be at least several years ______ everything returns to normal?