Mary and Lucy have been keeping with each other since kindergarten.
举一反三
- Mary and Lucy have been keeping（）with each other since kindergarten. A: on B: off C: up D: back
- We have been with each other after graduation. A: keeping out B: keeping on C: keeping in touch D: keeping in mind
- “____ each other for a long time?” “Yes, since we were at school.” A: Have you known B: Do you known C: Have you been knowing
- ._________ have known each other for many years. A: Mary and I B: I and Mary C: Mary and me D: I and Mary's
- These magazines___ in the library for a long time. A: have kept B: are keeping C: have been keeping D: have been kept