“Show me your permit, please.” “Oh, it’s not in my pocket. It ______.”
| A．might fall out | B．could fall out |
| C．should have fallen out | D．must have fallen out |
Visitors are deeply attracted by the 10，000squaremeter skiing park，________is among the biggest in Asia.
| A．that | B．it |
| C．which | D．what |
Several large musical companies are reported________with major online music providers in China at present about charging individual users for music downloads.
| A．discussing | B．to discuss |
| C．having discussed | D．to be discussing |
The pursuit of happiness is just a/an________of personal choice.
| A．event | B．incident |
| C．matter | D．affair |
My grandma will stretch her arms out to hug me________I turn up to see her.
| A．until | B．while |
| C．the moment | D．by the time |
－Sorry，Betty！I forgot to inform you of the change of time.
－________．
| A．Forget it | B．Don't mention it |
| C．That's right | D．With pleasure |