The police us not to swim in the river last summer.
| A．punished | B．warned | C．hoped | D．suggested |
You can't always________ [dɪ'pend]on your parents.
| A．decide | B．depend | C．drive | D．develop |
We should protect the__________ [ɪn'vaɪrənmənt].
| A．environment | B．improvement | C．encourage | D．exoerience |
When we are in the library, we should_______ [kiːp]quiet.
| A．meet | B．keep | C．sleep | D．feet |
It's too________[leɪt]They have to go back home on foot.
| A．let | B．late | C．land | D．lent |
He goes to_________ [skuːl]by bike.
| A．cool | B．fool | C．full | D．school |