1 . The mayor warns the public that the battle against the pollution ________ unless some strong measures ________ without delay.

A．won’t be won; are taken	B．won’t win; will be taken
C．won’t be won; taken	D．won’t win; take

2 . They had no sooner finished the survey by asking the parents the same questions there years later________they found that 18% of kids involved in the study were obese.

A．when

B．than

C．that

D．until

3 . I seldom have time for fun but I try to work hard_________（以便）I can make more money for my family. （根据汉语提示完成句子）