885-补充250-87题

欧阳可情

885-补充250-90题
The debate over bilingual education centers on the issue of whether the United States should foster the idea of single common language, an idea, some believe, that has in the past been crucial in binding diverse constituencies together.
(A) been crucial in binding diverse constituencies together
(B) been crucial as a binding together of diverse constituencies
(C) been crucial to bind together constituencies that are diverse
(D) become crucial in binding together diverse constituencies

      这道题是选A，我的问题是has been可以被分开吗? 谢谢

dreadpower

可以，比如大全29

    29.A shy, religious-minded publisher who had married a duke’s daughter, Harold Macmillan’s rise to the position of Prime Minister in 1957 surprised many, though Churchill had since the 1930s been extolling Macmillan’s courage.

lexie

大大的疑问？

哪里能够找到be crucial in doing sth.的用法？

誓不低头的重生

crucial in/to doing something

The work of monks was crucial in spreading Christianity