1. Light (to travel) more quickly than sound.
2. He (to be) here five minutes ago, but you (to be) out.
3. The old man (to think) about his plan when he (to fall) asleep.
4. Don’t speak to him: he (to be) very busy, he (to do) some urgent work.
5. When I (to enter) the classroom, the teacher (to write) words on the blackboard and the pupils (to copy) them into their exercise books.
6. This time next Tuesday I (to learn) how to operate this machine.
7. What you (to do) tomorrow evening? – I (to work) on my research paper the whole evening. I (to be) afraid I (not to be able) to do it in time.
8. Mike always (to pay) his rent at the end of the month but he (not to pay) in time.
9. Yesterday I (to see) Bob in the metro but he (not to see) me. He (to read).
10. When you (to come) home yesterday night? I (not to hear) you I (to sleep).
ПОЖАЛУЙСТА, РАСКРОЙТЕ СКОБКИ. УМОЛЯЮ ДАЮ 35 БАЛОВ