12. Typhoon are severe tropical storms. They sometimes happen in my ………………
A. stay B. Home C. House D. hometown
13. Singapore í famous for its …………………and green trees.
A. cleanliness B. Cleanly C. Cleaning D. clean
14. Water ________________ in the lake has made the fish die.
A. pollution B. Pollute C. Polluted D. polluting
15. It’s difficult to ……………… what the planet Earth will be like in 100 years’ time.
A. imagine B. Expect C. Remember D. see
16. If the air wasn’t dirty, I ________________ so much.
A. wouldn’t sneeze B. Sneeze C. would sneeze D. to sneeze
17. While she was dancing, the princess . . . . . a witch.
A. was seeing B. Saw C. See D. is seeing