1) There was such … fog that I could hardly see a) thick  b) hard c) dark 2) It is … cold today. a) mild b) freezing c) boiling 3) The leaves blew gently in the … a) breeze b) gale c) storm 4) Sam's flight … at 5 pm. a) leaves b) is going to leave c) will leave 5) The burning of fossil … produces carbon dioxide. a) gases b) fumes c) fuels 6) Unless Tom trains hard, he … the surfing a) will win b) doesn't win c) won't win 7) 7 On the Appalachian Trail, there are lots of white signs so that you don't … lost. a) get b) have c) be 8) Don't … up the heat - wear more clothes instead! a) turn b) put c) push 9) There might not be any polar bears in 100 years, and many other animals may become … , too. a) threat b) extinct  c) trouble 10) Do you want to … cards? a) do b) go c) play 11) If the temperature rises above 0 degrees Celsius, ice a) is going to melt b) is melting c) melts 12) Deer are … animals; they aren't dangerous at all. a) harmless b) incredible  c) threatened  13) Stalactites grow from the ceiling as water from them.... a) dissolves b) melts c) drips 14) There is a … when there is no rain for a long time a) blizzard b) drought  c) thunderstorm 15) Unless Tom trains hard, he … the surfing. a) will win b) doesn't win c) won't win 16) 1 Don't eat that meat; it's gone …! a) off b) over c) down 17) On the Appalachian Trail, there are lots of white signs so that you don't … lost. a) get b) be c) have 18) 2 When people burn fossil fuels, temperatures … a) rise b) are rising c) will rise 19) I wish I … my rucksack at home. B hadn't left a) don't leave b) didn't leave c) hadn't left 20) here might not be any polar bears in 100 years, and many other animals may become … , too. a) extinct b) trouble c) threat 21) If you … protective clothing while volcano surfing, you wouldn't have hurt yourself. a) had worn b) wore c) wear 22) A … is a short period of rain. a) drizzle b) shower c) flood 23) A: I'd like to book a room. B: a) Certainly. What dates? b) That's fine. c) How can I help you? 24) If Sam … his school project, he can go out. a) will finish b) is going to finish c) finishes 25) If the temperature rises above 0 degrees Celsius, ice... a) is melting b) melts c) will melt  26) What kind of room would you like? a) A single, please. b) Yes, please. c) Two nights 27) Deer are … animals; they aren't dangerous at all.  a) harmless b) incredible c) threatened 28)  Amy can't come sailing with us. She's going … her history essay. a) over b) off c) down 29) Stalactites grow from the ceiling as water … from them.  a) melts b) dissolves c) drips  30)  If I … you, I would go camping.  a) were b) had been c) am

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