________ his strength failed and he dropped behind in the race.
| A．Quietly | B．Actually |
| C．Practically | D．Gradually |
-I can't believe that Jeff __________ have quarreled and fought with his boss.
-Well, if one __________ ask for trouble, it just can't be helped.
| A．would; will |
| B．must; may |
| C．should; must |
| D．need; dare |
I __________ the poor rabbit, but I didn't have the right drugs with me at that moment.
| A．saved |
| B．had saved |
| C．could save |
| D．could have saved |
-Why didn't you buy the gold ring?
-I __________，but I didn't have the money.
| A．would have |
| B．bought |
| C．would like to |
| D．had bought |
-That must have been a long trip.
-Yeah, it __________ us a whole week to get there.
| A．takes |
| B．has taken |
| C．took |
| D．was taking |
-Why didn't you remind him of the possible danger?
-But what __________？ He never listens to me.
| A．could I do |
| B．could I have done |
| C．should I do |
| D．must I have done |