热心网友
是there is /are or I /we have problem/(some) difficulty/trouble/a good time/a hard time (in ) doing e.g. I have some problems (in)learning English well.At the ariport the police had a hard time(in) keeping crazy fans away from the movie star Julia Roberts.
热心网友
支持！
热心网友
不错 很有用的
热心网友
对的对的~~上面的说的你要记下啊```很多选择呢```