1.是have problem (in) doing sth.还是have problems (in) doing st
1.是have problem (in) doing sth.还是have problems (in) doing st
have problems in doing sth 和have a problem in doing sth
have problems in doing 还是 have problem in doing 还是 have a pr
是have some problem doing sth.还是have some problems doing sth.
到底是have problem doing sth 还是have problems doing sth
have problem doing还是have problems doing?
have no problems in doing 还是have no problem in doing?O(∩_∩)O
到底是have a problem in doing sth
have no problems (in) doing sth.中的problem永远都加s吗?
在句式“have problem/difficulty/trouble + (in)doing sth./with st
have problem in doing和have problems in doing有什么区别
have problem(in) doing sth 中的(in) doing sth 作什么句子成分