--- Excuse me, can I interview Mr. Miller this afternoon?
--- A moment, please. Let me check_________.
| A．if Mr. Miller will be free |
| B．when will Mr. Miller have time |
| C．if Mr. Miller had an appointment |
| D．when does Mr. Miller come back |
---I met your boss in the street this morning.
---Ah? You _____ be joking. He flew to Europe yesterday!
| A．must | B．should | C．could | D．might |
--- When will our graduation ceremony be held?
---______ two weeks’ time, _______ 18th June.
| A．On, in | B．In, on | C．On, on | D．At, on |
There are over 58,000 rocky objects in_____ space，about 900 of which could fall down onto ______ earth．
| A．the；the | B．不填；the | C．the；不填 | D．a；the |
---I heard quite a few bikes were thrown away at Liaocheng University.
--- _________________. They should be made use of.
| A．I hope not. | B．Take it easy. |
| C．Not much. | D．That’s too bad. |