问题

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:so young
C:not old enough to
D:so old
正确答案是:
同类题型
Which of the following organizations is nota charity ___________.
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ou find the film interesting—-________, I nearly fall asleep half waythrough it
n the two parts of the concert is aninterval, ______ the audience can buy ice-cream.