This sweater fits me, but I can’t afford to buy . I have to choose which is cheap enough for me.
| A.it; that | B.that; it | 
| C.it; one | D.that; the one | 
  Scientists generally agree that Earth’s climate will warm up over the next 50 to 100 years _________ it has warmed in the 20 000 years since Ice Age.
| A.as long as | B.as much as | C.as soon as | D.as well as | 
 --Mary 1ooks down today.What is up?
  ---Well,_________happened between Mary and me is none of your business.
| A.wherever | B.whoever | C.whatever | D.no matter what | 
 To help myself get to sleep, I have tried several ways but it seems that _______works.
| A.nothing | B.none | C.neither | D.all | 
 ______ Beijing you see today is quite ______ different city from what it used to be.
| A.The; / | B./; the | C.The; a | D.A; a | 
_______ you call me to say you are not coming, I’ll see you at the theatre.
| A.Until | B.If | C.As | D.Unless |