have trouble 【in】doing sth?in可以省略?
have trouble 【in】doing sth?in可以省略?
have trouble in doing sth
have difficulty in doing sth .have trouble in doing sth
have trouble in sth
have trouble in doing
have trouble with sth和have trouble (in)doing sth区别?@_@~
have trouble in doing sth.=have trouble with sth.be angry at
have trouble doing sth和have trouble in doing有什么区别
succeed in doing sth 中 in可以省略吗?
succeed in doing sth 的in可以省略吗?阿
Help sb in doing sth中的in可以省略吗?
sb have trouble (in) doing