问题
选择题
13. The book ___ 50 maps , ___a Chinese map and an American map .
A．contains , include
B．contains , including
C．includes, contain
D．includes, containing
答案
答案：B
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13. The book ___ 50 maps , ___a Chinese map and an American map .
A．contains , include
B．contains , including
C．includes, contain
D．includes, containing
答案：B