be active的用法和樣例：
例句
- We are looking for dynamic persons to be salesmen.
我們正在尋找充滿(mǎn)活力的銷(xiāo)售人員。 - I wish I could be as active as your grandfather, he looks like a teenager.
我希望我能夠像你祖父那樣充滿(mǎn)活力，他看起來(lái)就像十幾歲的年輕人。 - He became an active social reformer.
他成了一位積極的社會(huì )改革家。 - We must be active in arousing the masses to action.
我們要積極發(fā)動(dòng)群眾。
