People was killed while they were accrossing the road since they think a car can stop _______ a few metres and they were careless .請各知識人士提供正確解答并告之原因,謝!

熱心網(wǎng)友

within這里要表示的意思是：有人亂穿馬路而喪命是由于他們錯誤的 認(rèn)為車可以在幾米的距離內(nèi)停下。顯然在這三個詞中只有within可以表示在一定距離內(nèi)。for 表示動作持續(xù)有多久，如They have walked for 5 metres. 他們已經(jīng)走了5米遠(yuǎn)。after 表示在。。之后，而且通常在后面加時間的一點。如：I'll be here after 5 p.m. 我5點后會在這里。