11. A .....................of fish swam underneath the boat. a. flock b. school c.herd d. swarm 12. People in rural areas live ________ than those in cities. a. simplier b.more simply c. more simple d. simpler 13. It took us almost four hours to..............to London. a. reach b. arrive c.get d. approach 14. ________ is the Nung’s clothing? ~ Indigo. a. What b.Which group c. What colour d. Whose 15. I find it hard to build a toy car. But ________. a. my pleasure b. it’s my fault. c. it sounds great! d. it’s right up your street!