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高中英语单选20Britishlawthateverynewdrugmustbetestedonatleasttwodifferentkindsofanimals,suchasmiceordogs.a.saidb.hadsaidc.saysd.issaying

题目详情
高中英语单选20
British law____that every new drug must be tested on at least two different kinds of animals,such as mice or dogs.
a.said
b.had said
c.says
d.is saying





▼优质解答
答案和解析
c
一般现在时!
法律不会以前说,以后说,正在说,所以用一般现在时!