_____ of the students who took part in the military training is 450.
| A．A number | B．A lot | C．Lots | D．The number |
28. The thief _____computers _____ $20000.
A. got away with; worthB. got away for; worthy
C. away with; worth C.got away; worthy of
27. ----Can I catch a train to Beijing?
----You _____miss one. There are many trains to Beijing.
| A．mustn’t | B．needn’t | C．daren’t | D．shouldn’t‘ |
26. My suggestion _____ John should be sent _____his mother works is reasonable.
| A．that; in which | B．which; where | C．that; where | D．which; where |
25. The American Civil War lasted four years _____the North won in the end.
| A．after | B．before | C．when | D．As |
24. The task was difficult, but Helen’s _____expression let me know that she would not give up.
| A．determine | B．determining | C．determined | D．Determines |