for 表原因
而be used to doing 表过去经常做的事
显然用for比较清楚,也让人明白
__what duo you call this in English?___It's a stamp .It's used _____sending letters.
__what duo you call this in English?___It's a stamp .It's used _____sending letters.
( 为什么这里要用FOR .不用TO.)
sth be used to doing 也指被用来做=be used for
( 为什么这里要用FOR .不用TO.)
sth be used to doing 也指被用来做=be used for
英语人气：115 ℃时间：2019-08-24 06:42:58
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