Prep08-248 或者gwd9-32 老题一点疑问

ArsèneSONG

The United States minted about 857 million silver-colored “Susan B. Anthony” dollars

between 1979 and 1981, but the coin proved unpopular because it looked and felt too

much like a quarter.

A. The United States minted about 857 million silver-colored “Susan B. Anthony”

dollars between 1979 and 1981, but the coin

B. About 857 million silver-colored “Susan B. Anthony” dollars were minted as

coins in the United States between 1979 and 1981 but

C. About 857 million silver-colored “Susan B. Anthony” dollars that were minted

between 1979 and 1981 in the United States

D. About 857 million silver-colored “Susan B. Anthony” dollars that the United

States minted between 1979 and 1981

E. Between 1979 and 1981 the United States minted about 857 million silver-colored

“Susan B. Anthony” dollars, which

我明白从单复数中可以知道是A，但是A中but the coin proved unpopular because it looked and felt too

much like a quarter.是独立主格吗？有必要使用独立主格吗？如果不是，是不是应该加个was变成

but the coin was proved unpopular because it looked and felt too

much like a quarter。

求教！

ArsèneSONG

up!!

梦季

Mark一下！               

Sara.Z

prove不能用被动语态