it is a strange that such a thing ______ in your school?A will happen B happen C should happen D happened 选那个合适

it is a strange that such a thing ______ in your school?A will happen B happen C should happen D happened 选那个合适
it is a strange that such a thing ______ in your school?
A will happen B happen C should happen D happened 选那个合适

it is a strange that such a thing ______ in your school?A will happen B happen C should happen D happened 选那个合适
happened.'ed' already done

D

D

It is strange that such a thing should happen in your school!
这种事竟然发生在你们学校！真是咄咄怪事。
此处用should表示“竟然”的意味。

同意楼上的