→ aphroditeyeh:thanks again^^ 12/19 15:56
※ 引述《aphroditeyeh (新的開始)》之銘言：
: Due to shootings that occurred at Virginia Tech, a lot of attention has been paid to the issue of gun laws.
: Could stronger gun laws______ this tragedy?
: Nobody can say for sure.
: (A) prevent
: (B) have prevented
: (C) be preventing
: (D) have been prevented
: 答案是B
: 請問為何A C 不行呢?
: 謝謝您
Looking at the results of the various approaches _______ gun control
in countries around the world, one can see that the evidence is mixed.
(A) in
(B) for
(C) to
(D) with
答案是C
請問為什麼不能寫B呢?
謝謝您
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