If you _____ regret things you did or didn’t do in the past, then you won’t be able to move forward.
| A．actually | B．briefly | C．casually | D．Constantly |
-Guess what! I have got an A for my term paper.
-Great ！ You __________ read widely and put a lot of work into it.
| A．must have |
| B．should |
| C．must |
| D．should have |
-Did you visit the museum last week?
-No, we __________，but we spent too much time shopping.
| A．could have |
| B．could |
| C．must have |
| D．must |
-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 |