Раскройте скобки, употребив время past simple или present perfect. 1. this engineer (to work) abroad three years ago. 2. this month we (to receive) many complaints. 3. i (to be) late twice this week. 4. he (to do) his mba at clanfield in 2013. 5. the partner (to speak) on the phone, but they never (to meet).