例句：

　　The pressure of work is beginning to get to him.

　　工作的壓力使他煩惱起來(lái)。

　　We began work on the project in May.

　　我們于五月份啟動(dòng)了這項工程。

　　Work has begun on the construction of the new airport.

　　新機場(chǎng)的修建已經(jīng)開(kāi)工。

　　Could you go back to the beginning of the story?

　　你能不能回到故事的開(kāi)頭？