[求助]pp中的语法题-->melodybb1224转移

Intricate choreographer emphasized the beauty and

    virtuosity of the nineteenth-century prima ballerina,

    while the male dancer functioned only as her partner

    until the twentieth century.

答案是a错,为什么?我看不出有错的地方

有下载PP 语法笔记么？

【资料下载】----TOEFL语法资料库   [ 1 2 ]

参考一下吧