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之前有人问过这道题,请牛人解答
Restorers say that if allowed to remove and replace the discolored layer of varnish on the Mona Lisa, the
colors Leonardo da Vinci painted nearly five hundred years ago will once again shine through.
A. If
B. if it is
C. if they are
D. when
E. when it is
正确答案是c
但是个人觉得应该是b???
it在if引导的从句中用作形式主语,代替后面的 to remove and replace the discolored layer of varnish on the Mona Lisa不是更好么?这句话的意思是(不管是谁)remove and replace blabla...,这幅画又会重新释放出光彩,不是更好么,没有必要用they are来强调是restorer啊?
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