Global warming has become a serious problem, ______ we must find solutions.
A. which B. to which
C. with which D. that
______ came that he and his girlfriend had broken up just because he didn’t keep his ______ again.
A. Word; words B. Word; word
C. A word; word D. A word; words
______ surprised us most was that with all his money, he _______ worry about a little thing like 5 cents.
A. It; could B. What; could C. What; should D. It; should
_________ is no possibility _________ China wins FIFA World Cup.
A. There; that B. It; that
C. There; whetherD. It; whether
Bill was doing a lot of physical exercise to build up his_________.
A. energy B. force
C. strength D. power
This English dictionary is expensive, but it is of ________.
A. useful B. great use
C. no use D. useless
