IV/ Multiple Choice (1.5 marks) 1. You should have a(n) …………….to check your pipes. a. plumber b. electrician c. musician d. mechanic 2. I think using solar energy helps ………… natural resources. a. waste b. install c. replace d. save 3. Shall we have a Sports Day to celebrate the Teachers’ Day?- ………….. a. That’s very kind of you b. Good idea! c. Never mind! d. Really? 4. What must we do to ……….people from throwing trash on the streets? a. encourage b. make c prevent d. force 5. Lighting accounts ………… 15% in my monthly electricity bill. a. for b. from c on d. at 6. Let’s replace plastic bags …………paper ones to protect the environment. a. in b. by c with d. through