Mary kept weighing herself to see how much _____ she was getting.
| A．heavy | B．heavier | C．the heavier | D．the heaviest |
--Who has broken the window in my room?
--Who else _________ it but your naughty son!
| A．could do | B．could have done |
| C．should have done | D．must have done |
. The concert by Lang Lang was so well _________ that all the tickets had been _________ on the first three days last month.
| A．received; sold out | B．recognized; sold out |
| C．admitted; selling out | D．taken; selling out |
They _________ on the program for almost one week before I joined them, and now we are still working on it as no good results have come out so far.
| A．have worked | B．had worked |
| C．have been working | D．had been working |
--You look troubled.
--Father asked me to finish this task today. How can I _________ ？
| A．manage to | B．attampt to | C．decide to | D．happen to |
. After the earthquake, the Haitian（海地的）people needed to be helped _________.
| A．occasionally | B．anxiously | C．practically | D．urgently |