Therearethree____doingresearchwork

发布时间:2020-07-25 13:49:05

There are three ____ doing research work in the panyA.women scientistB.woman scientistC.woman scientistsD.women scientists

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D解析复合名词变成复数时,有这种情况是要把两个构成部分要变成复数的。
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