IF YOU DON‟T WORK MUCH HARDER, YOU WON‟T PASS THE EXAM. _ UNLESS Y...

27.

If you don‟t work much harder, you won‟t pass the exam. _ Unless you__________much harder, you__________the exam. A. work / will pass B. don‟t work / will pass C. don‟t work / won‟t pass D. work / won‟t pass