摘要： The blues has been part of African-American culture since then, and it is still an important part of American culture . 自那时以来.布鲁斯音乐一直是美国黑人的文化的一部分.而且它还是美国文化的重要部分. since then 自那时起. since 引出的时间状语常常与完成时连用. 例如: Great changes have taken place in our hometown since 1987. 自一九八七年以来.我们家乡发生了巨大的变化.
网址：http://m.1010jiajiao.com/timu3_id_2927936[举报]
The blues has been _____part of African-American culture since then, and it is still ______ important part of American culture.
A. a; a B. / ; an C. the ; a D. / ; a
查看习题详情和答案>>
The blues has been _____part of African-American culture since then, and it is still ______ important part of American culture
- A.a; a
- B./ ; an
- C.the ; a
- D./ ; a