问题
选择题
The old town has narrow streets and small houses _______ are built close to each other .
[ ]
A. in which
B. where
C. what
D. that
答案
答案：D
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The old town has narrow streets and small houses _______ are built close to each other .
[ ]
A. in which
B. where
C. what
D. that
答案：D