题目内容
Pieces of the palaces ________ before the Nazis came could now be used to rebuild the city and its culture.A. had been hidden B. that had been hidden
C. that were hidden D. were hidden
答案:B
提示:
提示:
| that在从句中做主语,因此不能省略;根据前后时态可知,应选过去完成时表示过去的过去。
|
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