问题
选择题
149. Do not start a book unless you can see from the first few pages that it is ______ you can easily read and understand.
A．that
B．one
C．the one
D．a one
答案
B
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149. Do not start a book unless you can see from the first few pages that it is ______ you can easily read and understand.
A．that
B．one
C．the one
D．a one
B