It was when she was about to go to bed ______the telephone rang.
| A.since | B.as | C.that | D.then | 
--What is that building?
  --____________ the students have their dance classes.
| A.The building that | B.There are | 
| C.That’s the building which | D.That’s where | 
When _________ by the reporter about his generous action, he said: “__________ others can always be joyful.”
| A.being interviewed; Helping | B.interviewed; To help | 
| C.having interviewed; Help | D.interviewing; Having helped | 
When Rebecca came to, she did not know how long she __________ there.
| A.has been lying | B.was lying | C.had been lying | D.has lain | 
--Can Tom help me with my Physics?
  --His Physics is ____________ yours. He failed the exam, too.
| A.as good as | B.not worse than | C.no better than | D.no worse than | 
--He got the first prize in his math contest.
  --Yes, I wondered how he did ____________.
| A.make to it | B.make successes | C.make to | D.make it |