Complete using the past simple passive form of the verbs in the box: INVENT
INVESTIGATE - BUY - EAT - FEED -CLEAN
1. Those cds..
by Lawrence
2. All the windows...
this week.
3. Her cake...
by all the guests.
4. The telephone... many years ago
5. Hungry dogs...
by the shop assistants.
6. This famous town...
by many scientists.