Everyone of us has many responsibilities ______us．So we must work hard．
| A．attaching | B．attaching to | C．attatched with | D．attatched to |
At the end of the meeting, it was announced that an agreement ______.
| A．has been reached | B．had been reached | C．has reached | D．had reached |
Please keep me _____ what happens.
| A．informing by | B．informing of | C．informed of | D．informed by |
______ the chairman of the council, the vice chairman does duty for him.
| A．Absent from | B．In the absence of | C．Present from | D．In the presence of |
In the competition to be held, a gold medal, together with a certain sum of money, _____ the champion.
| A．will be given to who will win | B． will be given to whoever will become |
| C．has been given to whoever wins | D． was given to anyone who became |
You can only be sure of _____ you have at present; you cannot be sure of something _____ you might get in the future.
| A．that; what | B．what; / | C．which; that | D．/; that |