Once air pollution in most cities, it is hard .
| A．rises; dealing with | B．arouses; to be dealt with |
| C．raises; dealt with | D．arises; to deal with |
It''s nearly seven o''clock . Jack ____ be here at any moment .
| A．must | B．need | C．should | D．can |
— 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 |
. How ____ you be so careless ?
| A．can | B．will | C．would | D．may |
. — 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 |