______ is very difficult.
| A．Lesson fifth | B．The lesson fifth |
| C．Five lesson | D．The fifth lesson |
-Is your brother running in the park? -No,is swimming in the river.
| A．she | B．his | C．her | D．he |
Shanghai seems likegood place for vacation.
| A．a | B．an | C．the | D．/ |
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 |