I ate_____sandwich while I was waiting for_____20:08 train.
| A.the, a | B.the, the | C.a, the | D.a, a | 
Jack decided to buy himself an iPhone 4 _______ it means standing in line all night waiting.
| A.so that | B.as if | C.even though | D.however | 
________________of the students who took part in the military training(军训) is 450.
| A.A number | B.A lot | C.Lots | D.The number | 
--- Oh ! I’ve just broken a window.
  --- ______. I know you didn’t do it on purpose.
| A.Never mind | B.All right | C.That’s fine | D.Not at all | 
What’s the matter with you? There’sin your project!
| A.serious something wrong | B.something seriously wrong | 
| C.seriously something wrong | D.serious wrong something | 
—Why are you laughing secretly at me?
 —You lookin that odd hat.
| A.absurd | B.smart | C.charming | D.wise |