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_______ to sunlight for too much time will do harm to one’s skin.

The bell _______ the end of the period rang, _______ our heated discussion.

The teacher asked us __________ so much noise.

         catch the first bus, he got up very early this morning.

The film ________ the World War II was made in Shanghai.

Eyes ________, I see the moon so bright; Head ________, in homesickness I am drowned.

If you’re in Florence, Italy and see a man on a ladder ________ the dust off statues and buildings, don’t worry. It’s just Alessandro Ricci ________ material for his famous smog painting.

—Would you like to go to the shopping mall with me tonight?
—I’d like to, but I have to attend a lecture _______ in the school library.

________ at the golden belt of Yangtze River Delta, Ma'anshan is the National Garden city _______ wonderful landscape appeals to many visitors every year.

The policeman kept his eyes________on the screen of the computer to identify the criminal's footprints.