题目内容
Casper, a 12?year?old cat, was so well?known for riding on the buses around Plymouth that drivers knew ________ stop to let him off.
A. at which B. of which C. where D. what
D
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题目内容
Casper, a 12?year?old cat, was so well?known for riding on the buses around Plymouth that drivers knew ________ stop to let him off.
A. at which B. of which C. where D. what
D