II. Use the correct form of the word given in each sentences: (1.5 pts) 1. Each of us has a _________________ character. (difference) 2. There was an _________________ of paintings at the Art Gallery. (exhibit) 3. Bell _________________ demonstrated his invention to the public at countless exhibitions. (successful) 4. Be careful to cover the _________________ sockets for the safety of the children. (electric) 5. You should learn to use ________________ safely. (electric) 6. Don’t play with matches. It’s a safety _________________ . (precautionary) giúp em với ạ

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