The international police has come into existence and they were ____ the key to global security.
| A．thus | B．for | C．or | D．otherwise |
______you I owe a thousand apologies ________having doubted your ability.
| A．For; to | B．To; for | C．For; for | D．To; to |
______at in this way, the present situation about birds flue doesn’t seem so disappointing.
| A．Looking | B．Looked | C．Having looked | D．To look |
_______, I think, and all the problems could be settled.
| A．If you make more efforts | B．Making more efforts |
| C．A bit more effort | D．To have made more efforts |
The TV programme has ______on the children as_______as the old.
| A．a good effect; good | B．a positive effect; well |
| C．a good affect; well | D．affect; well |
You can't see the___________ now for they are having a meeting at the moment.
| A．editor-in-chiefs | B．by an hour |
| C．by hour | D．each hour |