Раскройте скобки, употребляя глаголы в одном из след.времен: Past Simple? Present Simple, Present Continuous или Past Continuous
4. Who (to speak) there? - I (not to know).
5. He (not to smoke). He (not to smoke) now. When he (to be) at the office yesterday, he (not to smoke), he (to work) hard.
Answers & Comments
He doesnt smoke.He is smoking now.When he was at the office yesterday,he didnt smoke,he was working hard.