Vocabulary:Prefixes and SuffixesForm a new word by adding a prefix or suffix to the given base word to plete the sentence .1.His___(word)grief made us very sad.2.He____(special) in oriental history.3.The meal is in_____(prepare).4.____(Prevent) is better than cure.5.This equipment can ____(pure) the air.6.We knew what happened from her ____(tear) face.7.He often keeps his ____(think) to himself.8.The twins have no _____(similar) in hobbies.9.His son sold his ____(price) paintings secretly.10.He was not allowed to enter the hall because of his ____(tidy) clothes. 英语
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【答案】 1.加s
2.改成动词specialises 专业研究
3.加ed
4.改名词加tion
5.改成动词purification意思是净化
6.tearing 哭泣的
7.thoughts
8.similarities
9.pricy
10.untidy