单项选择题
A. would not be asking B. will not ask C. did not ask D. wasn't be asking
（）could solve that problem. It's so easy.A. SomeoneB. N...
单项选择题（）could solve that problem. It's so easy.
A. Someone B. None C. No one D. Anyone
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
