I won’t tell the student the answer to the math problem until he ________ on it for more than an hour.
_______ Japan’s nuclear crisis (核危机) will be solved in 2011 is not known yet.
A quarrel________, which made him________his family.
Order came that all the army supply ______ to the front before daybreak.
________, I'm glad you made that mistake, for it will serve as a warning to you.
—You've got your flat furnished, haven't you? —Yes. Isome used furniture at the Sunday Market and it was a real bargain.