8 Complete the sentences with one word in each gap. Use the Vocabulary box in Exercise 7 to help you. Write the answers in your notebook. 1 Press ( to turn on the TV when you are ready to watch. Press it again to off the TV when you want to stop watching. 2 Always be careful when you in the hairdryer. Make sure your hands are not wet. Never 4 the hairdryer while it is in use. 3 First, turn 5 the toaster and then unplug it. Clean it. After that, plug it again to make toast.