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was beginning to think ______ the experiment would not work. Others followed even before the whole string was wet, and I was able to collect and store a great deal of electricity in the condenser. The experiment proves that lightening and electricity are the same. When where that [ ] ( ) ? ?[ ] ? ?Fly the kite ______ a thunderstorm appears to be ing on. Take care ______ the string does not touch the wall or the door. when [ ] that 。 6 Paragraph 3 The electricity can be collected and stored in the condenser。Scientists at work Unit 16 1 He has very ________eyes。 he catches sight of things quickly. 2 The car wouldn’t go because the __________had gone wrong. 3 Whether right or wrong, he has ideas about how the lessons should be _______________. 4 There are several other kinds of __________in the air besides oxygen. 5 The US and UK are __________by a mon language and mutual interests. 6 Why did you___________the cloth when I’d advised you to cut it with scissors? 7 A live wire is one that is ____________with electricity. 8 The worker got _________when he touched the wire. 9 The rocket appeared about twelve to fifteen ________ in diameter. 10 The tea received a great________of praise from Tom. sharp