It is thought that meteories (陨星)may hold clues about the ________of life on Earth .
A.origin |
B.reserve |
C.basis |
D.evidence |
With no one to________in such a frightening situation,the girl felt very helpless.
A.turn to |
B.turn on |
C.turn off |
D.turn down |
.—What are you reading,Jim?
—I’m not really reading,just________the pages.
A.turning off |
B.turning around |
C.turning over |
D.turning up |
We are looking forward to________a chance to watch the opening ceremony of the London 2012 Olympic Games.
A.give |
B.be given |
C.being given |
D.giving |
The letter he had been looking forward to________at last this morning.
A.come |
B.comes |
C.coming |
D.came |
Though Tom was impolite to the new teacher,she________him his rudeness.
A.excused |
B.apologized |
C.forgave |
D.punished |