问题
nown to us all isthat the old scientist, for life was hard in the past, still works very hard in his eighties
A:As; whom
B:What;whom
C:It; whose
D:As; whose
B:What;whom
C:It; whose
D:As; whose
正确答案是：
同类题型
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ou smoke— No, I don’t. But I used to. It’s 20 years since I ______.
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