Little _______ that we were watching his every move, so he seemed to be going his own way in this business.
| A．he realized | B．he didn’t realize |
| C．didn’t he realize | D．did he realize |
— Could I borrow your dictionary ?
— Yes , of course you ____ .
| A．might | B．will | C．can | D．should |
I talked for a long time , and in the end I ____ make her believe me .
| A．could | B．can | C．must | D．was able to |
— I sent him the dictionary by mail this morning .
—You ____ that; he''s coming tomorrow afternoon .
| A．needn''t have done | B．didn''t have to | C．needn''t do | D．mustn''t do |
In three months he ____ speak good English .
| A．can | B．can be able to | C．will be able to | D．may be |
The door ____ lock .
| A．can''t | B．may not | C．won''t | D．mustn''t |