. There are altogether eleven books on the shelf, _____ five are mine.
A. on which B. in which C. of which C. from which
The manager was absent because of illness； ______，the meeting was put off until tomorrow.
| A．as a result | B．what's worse | C．in other words | D．by the way |
No one is allowed, no matter who he is, _____ the room unless he has a permit.
| A．enters | B．to enter | C．entering | D．entered |
Emily is easy to be ______ as she's the only one of the women who is wearing evening dress.
| A． realised | B．respect | C． recognised | D．refused |
He hurried to the airport with his friends only ______ that all the film stars they liked best had been picked up by their company.
| A． to tell | B．to be told | C． telling | D．told |
After completing and singing it, please return the form to us in the envelope _________.
| A．provided | B．providing | C．having provided | D．provide |