In fact , the hazy weather problem is so severe now that it has aroused __________ nationwide concern about __________ environmental pollution .
| A．/ ; / | B．/ ; the |
| C．a ; / | D．a ; the |
Had he not come an hour earlier, he＿＿＿the secret that his mother was always there.
| A．must never find | B．must never have found |
| C．would never find | D．would never have found |
From the moment babies are born, parents are helping them to be released into the world, not to＿＿them or to control their lives for the rest of life.
| A．hold on to ’ | B．put up with |
| C．give in to | D．break up with |
An individual human existence should be like a river-small at first, narrowly contained within its banks, and＿＿＿passionately past rocks and over waterfalls.
| A．to rush | B．rushing |
| C．rushed | D．rush |
-Will my car be ready by the end of the day?
-It＿＿＿be, sir. I'll call if there're any problems.
| A．could | B．must |
| C．shall | D．should |
Such novelists as Tolstoy are widely read, of ＿＿works; full of great humanity, however, some are difficult to understand.
| A．whose | B．which |
| C．whom | D．what |