I enjoy ___ about ways to help the environment., A) learn, B) learning, C) to learn, They recommend ___ off the lights before leaving., A) buying, B) buy, C) to buy, They stopped ___ disposable batteries., A) use, B) using, C) to use, What does “bad, inadequate” mean?, lame, chuck, a piece of cake , Water ___ at 100°C., A) is boiling, B) boils, C) boil, He ___ in Jeddah, but he ___ in Riyadh this year., A) lives / is living, B) is living / lives, C) live / living, She ___ a book right now., A) read, B) is reading, C) reads, What does “a hassle” mean?, It means something that is inconvenient., It means a question or problem that has an easy answer or solution., It means very easy .

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