Il Supply the correct verb form:
5-6. While Bob (sleep)........, the phone (ring) .....
7. I'd rather you (go)................ to bed now.
8-9. The woman (sit)....... in front of me was wearing a big hat so i... (can not)
see anything
10 Radium (discover)...... by Marie and Pierre Curie in 1898.
11-12. i.........(not understand)
what you've said. Would you mind (repeat)...................... that?
13-14. My brother ........ (leave) home 10 years ago. I ...have ........ (never/ meet) him.
5-6. sleeps , rings 7-6. go 8-9. sitting , couldn’t (could not) 10. was discovered/discovered 11-12. do not (don’t) understand 13-14. left , have never , met
