Thank you for all your hard work last week. I don’t think we ____ it without you.
| A．can manage | B．could have managed |
| C．could manage | D．can have managed |
At no point south of the Han River _______ more than a mile.
| A．the enemy didn’t advance | B．the enemy advanced |
| C．did the enemy advance | D．didn’t |
Only at that time ______ that he had made a lot of mistakes in his homework.
| A．He realized | B．did he realize |
| C．he did realized | D．realized he |
He ______ prison two years ago and now he _______.
| A．was put in; was set free | B．was shut into, is set free |
| C．put into, has been set freely | D．was put into; has been set free |
If city noises _______ from increasing, people _______ shout to be heard even at the dinner table 20 years from now.
| A．are not kept; will have to | B．are not kept; have to |
| C．do not kept; will have to | D．do not kept; have to |
I _____ ten minutes to decide whether I should reject the offer.
| A．gave | B．was given | C．was giving | D．had given |