问题
选择题
It’s dangerous to let the children who are ____ walk across the crowded street.
A．too young to
B．so young
C．not old enough too
D．so young as to
答案
答案：B
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It’s dangerous to let the children who are ____ walk across the crowded street.
A．too young to
B．so young
C．not old enough too
D．so young as to
答案：B