3 for a long time --------很久以来,直到现今。----------用现在完成时 如果李宽是until now, 就应该是until now they haven't been able - - -- -------- not - -- until not 要搭配 untilyouyouniao84
3 for a long time --------很久以来,直到现今。----------用现在完成时 如果李宽是until now, 就应该是until now they haven't been able - - -- -------- not - -- until not 要搭配 untilyouyouniao84