he is ____the best student in our class(possible)

问题描述:

he is ____the best student in our class(possible)
The news really ____________me(fright)
The boy is too young to go to school.(反义)
The boy is _______ ______ ________ go to school

1.possibly
2.frighttened
3.old enough to (因为括号里是要你写反以,上句意思是他太年轻了,所以不能去上学,所以下去要反以就是他已经到了足够得年龄去上学了)