With everything ,she went out of the shop, with her hands full of shopping bags.
| A.bought | B.to buy | C.buying | D.buy | 
—Did you find the missing couple in the mountain yesterday?
 —No, but we ________ to get in touch with them ever since.
| A.have tried | B.have been trying | 
| C.had tried | D.had been trying | 
—Such a mistake could have been avoided.
  —Unfortunately, he _______ the mistake again and again.
| A.repeated | B.would repeat | 
| C.had repeated | D.would have repeated | 
—May I remind you that a Mr. Wang is waiting outside, sir?
 —Oh, that’s right. I __________ about it.
| A.forget | B.had forgotten | C.forgot | D.have forgotten | 
—Did you enjoy your holiday?
 —Yes, it’s the best holiday I ___________ these years.
| A.had | B.have had | C.had had | D.would have | 
Just look at the room. My roommate ____ up his clothes.
| A.is never hanging | B.will never hang | C.never hangs | D.never hanged |