It is required in the library regulations that any book borrowed __________ by due time, or the borrower will be fined.
Not only ____ the jewelry she _____ been sold for her son’s gambling debts but also her house.
---- I did well in the English exam last week.---- I did _____ . I got a full mark.
Despite the warm personal relations with Hu, Bush admitted that ___ differences remain between the two countries, which makes ____ dialogue imperative.
_____ was very ____ that little Jim wrote the letter.
He has lots of friend, only a few of ____ invited to his wedding.