Don’t enter the office unless _______.
| A．you have told to | B．told to | C．telling | D．you are told |
John is one of the staff members who ___to be sent abroad for further study.
| A．is going | B．are going | C．have been going | D．has been going. |
The girl ____forward to buying a new gold watch.
| A．referred to look | B．refers to look | C．referred to looks | D．referring to looks. |
I hope there are enough glasses for each guest to have ____-
| A．it | B．those | C．them | D．one |
_____with what they had done, we felt we still had too much to do.
| A．compared | B．comparing | C．having compared | D．being compared |
Nanjing is an old city, which ___the Changjiang River.
| A．is by | B．lies on | C．is beside | D．lies to |