have problems in doing sth 和have a problem in doing sth
have problems in doing sth 和have a problem in doing sth
1.是have problem (in) doing sth.还是have problems (in) doing st
到底是have a problem in doing sth
have no problems (in) doing sth.中的problem永远都加s吗?
have difficulty in doing sth .have trouble in doing sth
have trouble in doing sth
have confidence in doing sth
have difficulty in doing sth
have problem(in) doing sth 中的(in) doing sth 作什么句子成分
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 problems in doing 还是 have problem in doing 还是 have a pr