be accustomed to+do还是doing?approach是可数名词吗?caculate和abandon的用

be accustomed to+do还是doing?approach是可数名词吗?caculate和abandon的用 be accustomed to 是接doing 还是接do? be accustomed to后面加do sth.还是doing sth? approach to doing还是do 我想知道be accustomed to后面跟动词的什么形式,do something还是doing some thin It is an effective approach to do还是to doing? the approach to doing sth 和the way to do? There be+名词＋doing与There be+名词＋to do句型中doing和to do是否是在此种句型中作后 用 be doing 和be doing to do 造句 三个 是must be to do还是must be doing used to和be use to 加do还是doing 不可数和可数的名词在一起,后面的be动词是is还是are