—I sent him a most interesting storybook by mail this morning.
—You __________ so; he's coming tomorrow morning.
| A．needn't do | B．needn't have done |
| C．didn't need to do | D．didn't need to |
She went to the station to meet her husband, but _____ him in the crowd.
| A．passed | B．recognized |
| C．missed | D．lost |
. It’s hard to rescue drowning people because they _____ so much.
| A．sink | B．swim |
| C．jump | D．struggle |
High unemployment _____ the government billions of pounds in lost taxes.
| A．spends | B．takes |
| C．uses | D．costs |
What’s the matter with the radio？ Why isn’t it _____？
| A．broadcasting | B．working |
| C．doing | D．sounding |
The plan looks good on paper, but will it _____？
| A．work | B．pass |
| C．agree | D．does |