Tony was very unhappy for _______ to the party.
| A．having not been invited | B．not having invited |
| C．having not invited | D．not having been invited |
---- I can’t get through to the general manager’s office anyhow.
---- The line is busy. Someone ___________ the telephone.
| A．can have used | B．can use |
| C．must have used | D．must be using |
As we all know,________, the pollution will get worse and worse.
| A．not if carefully dealt with |
| B．until not carefully dealt with |
| C．if not carefully dealt with |
| D．when not carefully dealt with |
There was a fierce debate about _____we should go on with experiments on creating new life.
| A．which | B．whether | C．that | D．What |
----The boy was so hungry that he ate up the whole cake!
----Oh, he was more _____than hungry.
| A．greedy. | B．considerate | C．generous. | D．athletic . |
The river and lakes nearby dried up and some of the villagers set off ____drinking water.
| A．in memory of | B．in honor of |
| C．in charge of | D．in search of |