I ______ (see) the film before I_______ (not go)to the cinema this evening.

问题描述:

I ______ (see) the film before I_______ (not go)to the cinema this evening.

haveseen (before 以前,是现在完成时的标志)
won'tgo( this evening 今晚,还没发生,故用一般将来时)