问题
选择题
—Mike, I don't know ________ cartoon books.
—Why not buy some on the Internet? The books there are quite cheap. [ ]
A. where to buy
B. when to buy
C. why to buy
答案
A
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—Mike, I don't know ________ cartoon books.
—Why not buy some on the Internet? The books there are quite cheap. [ ]
A. where to buy
B. when to buy
C. why to buy
A