问题
选择题
This book _____ ten units, _______ three main revisions.
A．contains; containing
B．includes; including
C．includes; containing
D．contains; including
答案
答案：D
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This book _____ ten units, _______ three main revisions.
A．contains; containing
B．includes; including
C．includes; containing
D．contains; including
答案：D