Tom began to teach in our school for 10 years ago.Tom _____

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Tom began to teach in our school for 10 years ago.Tom _____ _____ in our school for 10 years.

has been.1.10年,tom就开始在我校教书.2.TOM已经在我校呆了10年了. 1是过去式,begin变began,总重要的一个标志就是ago ,表示十年前.2.是现在完成时,“for 10 years”后没有任何标志,表明这只是段时间.所以用has 不用had. 看句子要看他的动词,不用为两个“for 10 years”纠结.

Tom began to teach in our school for 10 years ago.Tom _____ he began to teach in this school 9 years ago（改为现在完成时） i began to teach in No.3 Middle school about five years ago We began to learn English two years ago.(Tom says) since he came to our school 3years ago,Tom has ____ a smart, Tom taught in the school two years ago同义句 Tom began to learn Russian by himself in _____. Mr.Chen began to teach maths in our school in 2010.（改为同义句） M Tom has lived in Shanghai____three years ago. tom learnt chinese in our school for a year Tom says he was in high school five years ago and in three y Tom began to work in the bank five yeas ago.改为同义句