你可能感兴趣的试题
besides; besides but; except except; except besides; but
No, study Yes, have studied No, am studying Yes, studied
haven’t you mustn’t you needn’t you don’t you
study have studied am studying studied
studied had studied was studying have been studying
used to learn was used to studying have studied didn’t use to study
study am studying have studied studied
studied study was studying had studied
used to learn was used to studying have studied didn’t use to study
studied study was studying had studied
study have studied am studying studied
study have studied am studying studied
five years before five years ago for five years since five years
No, study Yes, have studied No, am studying Yes, studied
study have studied am studying studied
besides,besides but,except except,except besides,except
湘公网安备 43130202000226号