17. Dinosaurs became _________millions of years ago.
A. disappear B. extinct C. lost D. endangered
18. Water power gives energy without_________.
A. poison B. nuclear C. petrol D. pollution
19. I like the village _________ I used to live.
A. in that B. where C. in which D. B&C
20. Most houses that are situated in the suburbs have gardens.
A. situating B. situated C. were situated D. to situate
21. The woman _________next door is a famous singer.
A. lives B. living C. who live D. that living
22. Why don’
t we _________in peace.
A. existence B. co-exist C. survival D. survive
23. What is the difference between human _________and animals?
A. is B. are C. beings D. be
24. Our well-trained staff are always courteous to customers.
A. patient B. crude C. polite D. honest