Откройте скобки используя past simple или past perfect. ann (to do) her homework before mary (to phone) her. my father (to repair) his car after i (to come) home from school. we (to visit) our granny by 6 o'clock. when he (to enter) the house he (to understand) that somebody already (to be) there. after he (to write) a letter he (to go) to the post-office. before we (to start) travelling we (to buy) all necessary things.