pledge to do sth
pledge to do sth在英文里怎么说
pledge to do sth. 翻译
pledge to do造句
pledge to do something
pledgetodosth造句
like doing和like to do的区别
spend time to do还是doing
consider doing还是to do
be used to doing和used to do的区别
suggest to do和doing的区别
stop to do和stop doing的区别
prefer to do与prefer doing的区别
used to do和be used to doing
help sb do还是to do还是doing
regret to do和regret doing的区别