A BOOK MARK IS SOMETHING PUT BETWEEN THE PAGES OF A BOOK TO MARK THE PLACE.DO YOU OFTEN HAVE TO DO
问题描述:
A BOOK MARK IS SOMETHING PUT BETWEEN THE PAGES OF A BOOK TO MARK THE PLACE.DO YOU OFTEN HAVE TO DO
SO?
A:IT B: ONEC:THATD:THIS
答
B:ONE 是对的.
one指代前文提到的a book mark.
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