6. Alexander Graham Bell

(introduce) the telephone in 1876.

7. Yesterday 1

...(be) busy, so I

..(not have) time to phone you.

8. Would you like

..(come) to dinner tomorrow?

9. What were you doing when ưe.

· (phone) you last night?

10. Mr. Robinson enjoys

(listen) to music while he

..(drive)

11. Last night I (not watch).

TV