—Will you go to Mary’s birthday party?
—No, ____ invited, I can’t go to it. I’ll be too busy then.
| A．if | B．unless | C．even though | D．when |
If he fails again, he will __________ us all __________ with him.
| A．drag; down | B．drag; in | C．drag; out | D．drag; up |
We had an anxious couple of weeks, __________ for the results of the experiment.
| A．wait | B．to be waiting |
| C．waited | D．waiting |
__________ such heavy pollution already, it may now be too late to clean up the river.
| A．Having suffered | B．Suffering |
| C．To suffer | D．Suffered |
__________ with arms, the soldiers determined to fight against the terrorists.
| A．Equipped | B．Equipping |
| C．To be equipped | D．To equip |
__________ in her most beautiful skirt, the girl tried to make herself __________ at the party.
| A．Dressed; noticed | B．Dressing; noticed |
| C．Dressed; noticing | D．Dressing; being noticing |