I was on the highway when this car went past fol. Lowed by a police car. They ______ at least 150 kilometers an hour.
| A．should have been doing | B．must have been doing |
| C．could have done | D．would have done |
—My daughter mastered Japanese in less than two years.
—Did she? Shehave a gift for language.
| A．must | B．might | C．should | D．can |
We've got into trouble and don't know what to do next. Hopefully -someone will come to our
| A．mind | B．knowledge | C．attention | D．assistance |
--- Credit cards areuseful when travelling.
—True. They save us the trouble of taking too much cash.
| A．exactly | B．gradually . | C．particularly | D．hardly |
I turned to the headmaster and he promised to do everything _ his power to help. me out.
| A．beyond | B．above | C．under | D．within |
The most important thing for Lucy is to find a proper job,in which she can bring her ability and potential into full play.
| A．that | B．this | C．one | D．the one |