When you read the book, you’d better make a mark you have any question． [ ] A． a
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When you read the book, you’d better make a mark ________ you have any question．
[]A．at which
B．at where
C．the place where
D．where
试题答案
答案：D
解析：where引导地点状语从句，相当于at the place where引导的定语从句。 |