问题
选择题
39.When you read the book, you’d better made a mark ____ you have any questions.
A．at which
B．at where
C．place
D．where
答案
答案：D
where引导地点状语从句子，意思是：读书时，你最好在有疑问的地方打上符号。
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39.When you read the book, you’d better made a mark ____ you have any questions.
A．at which
B．at where
C．place
D．where
答案：D
where引导地点状语从句子，意思是：读书时，你最好在有疑问的地方打上符号。