----Have you learned English before ?
----Yes,I _____English for 6 years in my hometown .
| A．learn | B．learned | C．am learning | D．have learned |
To succeed in doing an experiment,________.
| A．carefulness is needed | B．carefulness is one needs |
| C．one needs to be careful | D．one need be careful |
Wang Fang ,for ____a correct way will help communicate __others in a foreign country .
| A．who | B．whose | C．whom | D．which |
----When shall we start ?
----Let’s_______it 8:30. Is that all right ?
| A．set | B．meet | C．make | D．take |
Be careful when you cross this very busy street.If not ,you may _____run over by a car .
| A．have | B．get | C．become | D．turn |
I need one more stamp before my collection _______.
| A．has completed | B．completes | C．has been completed | D．is completed |