题目内容
It's dangerous to let the children who are _____ go swimming in the river.
A. too young to B. so young C. not old enough to D. so old
B
解析:
若选A和C,意义不完整,因为这时let后面缺少了宾语补足语.
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题目内容
It's dangerous to let the children who are _____ go swimming in the river.
A. too young to B. so young C. not old enough to D. so old
B
若选A和C,意义不完整,因为这时let后面缺少了宾语补足语.
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