It is so difficult a problem that student in this class work it out.? A. any, ca

It is so difficult a problem that _____ student in this class _____ work it out.?

A. any, can't　 B. no, can?　 C. every, can　 D. no, can't??

试题答案

B

这工作太难了，恐怕谁也干不了。