— Turn off the radio, dear. Baby is sleeping.

— There is no need. He __ _____ (wake) up.

— What is he busy doing?

— Doing the experiment _____ (complete) the science project.

It was a pity that you _____________ (not attend) the meeting last Friday afternoon.

In the old days the working people in our country __________ ( look) down on.

The Great Wall as well as the Palace Museum ___________(attract)lots of tourists from abroad every year.

这部纪录片近距离的观察了非洲象的生活。

The documentary _______________________________ the African elephants.

这件事标志着他辉煌事业的开始。

This event _________________________________________ .

他对英语如此感兴趣，以至于在空闲时间也未放弃自学。

He was _____________________________________ he didn’t give up teaching himself in his spare time.

花一整晚时间打电脑游戏真是浪费时间。

Spending the whole night playing computer games ______________________________

这部电影因其令人惊叹的音乐而获奖。

The film ________________________________________________________.