Every possible means _______ been taken to prevent the river _________.
| A．have; polluting | B．has; polluted |
| C．has; from being polluted | D．have; being polluted |
Bob has a billion dollars while Kate has a million, so Kate is ________than Bob.
| A．less rich | B．not richer | C．no rich | D．poorer |
She wasn’t very polite but ________ I helped her.
| A．any way | B．anyway | C．at any way | D．in a way |
—Did you be the match?
—Yes, we lost the match ________ one goal.
| A．by | B．at | C．with | D．only |
—How can I wake up so early?
—Set the alarm at 5 o’clock, ________ you'll make it.
| A．but | B．or | C．and | D．so |
Have you got a free evening next week ? ________, let’s have dinner.
| A．While so | B．Since so | C．When so | D．If so |