问题
选择题
The old town has narrow streets and small houses _____are built close to each other.
A．they
B．where
C．what
D．that
答案
答案：C
考察主语从句。从句且缺主语,能做主语只有C what。
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The old town has narrow streets and small houses _____are built close to each other.
A．they
B．where
C．what
D．that
答案：C
考察主语从句。从句且缺主语,能做主语只有C what。