after doing的问题
after doing的问题
after doing?
after doing 与after having done的区别?
after before的问题
make doing 和 make doing的问题.
after doing sth 还是 after doing sth?
has been doing的问题,
after+doing+sth对吗?
BEFORE DOING和AFTER
after的用法after不是后面的句子要加doing吗?可是这个怎么没有.after those things had
after do sth.还是after doing sth.
get used to doing的问题