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
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
B
这工作太难了，恐怕谁也干不了。