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know … knows knows … know knows… knows know … know
two hundreds two hundred two hundreds two hundred of
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Howley conducted sophisticated researches. there are two patterns of teachers' reading. teachers should read more books. the reading patterns lead to the present situation of American teachers.
Science Teachers to Ban Testing Harmful to Animals. Teachers’ Policy Change in Experiment on Animals. The New Policies of Banning Harmful Experiments to Animals. The Importance of Prohibiting Harmful Experiments on Animals.
Two third Two threes Two thirds Second three
the brightest students will choose to work as teachers. teachers will read academic books in their spare time. teachers play key roles in building intellectual culture. the social status of American teachers is quite high nowadays.
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are; two-thirds is; two third is; two thirds are; two-third
stopping all animal abuse in schools. establishing guidelines that ban classroom experiments harming animals. protecting animals from being experimented with in extracurricular projects. persuading two national science teachers associations to adopt an animal protection policy.
maintain ecological balance. please animal welfare groups. get financial support from their sponsors. protect necessary harmless experiments on animals.
thirtyone; thirtytwo thirtyone; thirtysecond thirtyfirst; thirtytwo thirtyfirst; thirtysecond
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