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1、If you watch TV or read magazines,there are always some ad

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1、If you watch TV or read magazines,there are always some advertisements __you that they can help you get fit and healthy
A.telling B tell C tells D told (这题为什么是选A)
2、Here are some ideas to help you lose weight,___ways to keep a healthier lifestyle,and be in the best shape of your life.
A discovering B discover C Being discovered D to discover (为什么是选B)
3、On the outside,keeping fit ___running ,sports,and things you can do to keep healthy.
A include B is included C including D includes (这题为什么是选D)
每一题都解释下哈.
1、If you watch TV or read magazines,there are always some ad
1.there be doing sth.排除法:are已经是动词了,B C D答案都是动词,一个句子中不能有两个谓语动词.
2.这是一个固定句型,动词原形+sth+ ,and.表示祈使句.
3.分析句子结构,keeping fit是动名词短语作主语,running,sports,and things you can do to keep healthy是宾语.所以这个句子缺少谓语动词.排除c.keeping fit表示一个整体,谓语动词用单数,排除A.根据句意,没有被动的意思,所以选D.