问题

I was told that although these old buildings _______ the Qing Dynasty, they remained in good condition
A:are dated back to
B:dated back to
C:dating back to
D:have dated back to
B:dated back to
C:dating back to
D:have dated back to
正确答案是:
同类题型
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The disco, digitally in the studio, sounded fantastic at the party that night.[ ]