1. Coal is a __ source of energy compared with other forms of energy such as oil. A plenty B enough C sufficient D plentiful 3. The servants __ the silver tableware before the guests arrived. A polished up B polished out C pointed out D polished with 4. If you decrease the __ of alcohol in this solution, it would be less dangerous. A part B portion C section D share 5. Are you __ that the boy you saw is Peter? A right B positive C doubtful D wrong 6. The English language __ a vivid saying to describe this sort of situation. A owns B contains C holds D possesses 7. According to the facts __, he can not be possibly guilty. A in my possession B in my profession C in the procession D in the provision 8. Since the situation has changed, we have to __ making a decision. A defer B postpone C delaying D announce 9. I am a __ person. I have never been interested in theory. A practice B practice C practical D practicable