单项选择题

（）could solve that problem. It's so easy.

A. Someone
B. None
C. No one
D. Anyone

相关考题

The book（）interesting, but it's very instructive.A. can...

单项选择题The book（）interesting, but it's very instructive.

A. can't be
B. may not be
C. should not be
D. might be