. 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).