i know that it is very difficult to stop smoking ,but you _____gi_英语解答

i know that it is very difficult to stop smoking ,but you _____give in to it
为什么用mustn't 而不是can't

人气：127 ℃　时间：2019-12-01 09:23:38

解答

can't 不可能在这里语气不够强,
而mustn't表示一定不要切合语境