Just as a famous Chinese saying goes, a timely heavy snow is a ______ of good harvest next year.
| A．mark | B．track |
| C．sign | D．appearance |
Although thissound like a simple task，great care is needed．
| A．must | B．may | C．shall | D．should |
Two-thirds of the moneyon tents for the homeless people in Wenchuan．
| A．have been spent | B．had spent |
| C．were spent | D．was spent |
.He got run over by _____ taxi and now he is still in ____ danger in hospital.
| A．/, a | B．a , the | C．a, / | D．/,/ |
I can’t _____ his failure.It is unbelievable.
| A．seek for | B．bring up | C．get away with | D．account for |
--- Who left the door open?
--- Oh, sorry. I _____ the door.
| A．ought to lock | B．should lock | C．ought to have locked | D．could lock |