Question

It is dangerous to allow the children who are ________ swimming in the river.

A．enough old to go	B．not old enough to go
C．not enough old to go	D．not old enough going

Answer 1

B

考查enough的位置。首先否定詞not應跟在be動詞后面，故排除A；enough修飾形容詞應放在形容詞的后面，故排除C；enough to足夠…以至于…，不定式做結果狀語。故選B。