问题

there are some differences in American education and Chinese education, bothsystems are excellent graduates
A:to never break
B:never to have broken
C:never to be broken
D:never to be breaking
B:never to have broken
C:never to be broken
D:never to be breaking
正确答案是:
同类题型
She is a(n)_____, so she is very good at writing.
She looks very happy. She ____have passed the exam.—I guess so. It’s not difficult after all.
The latest UK official studies show _______fewerteenagers are now studying foreign languages.
I don’t like Xiao Shenyang’s performances________ many people like them.