To their surprise, they found the lecture given by the famous professor easy _____

To their surprise, they found the lecture given by the famous professor easy ______.

#96616

to be understood

to understand

understanding

understood

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（2014年福州市高三适应性练习）30. In general, _______ energy, we turn off the lights for Earth Hour on the last Saturday in March.

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saved

saving

to save

having saved

____that the government can lead them out of the financial crisis ,people are optimistic about the future of the country.

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Convincing

Convinced

Having convinced

To convinced

    to sunlight for too much time will do harm to your skin.

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Exposed

Having exposed

Being exposed

After being exposed

Mr. White was seen ______ the Palace Museum.

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enter

to enter

entered

to entering

-----I’d like your opinion,Alan. ----I think it worthwhile ____the film.

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being watched

to be watched

to watch

having watched

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