In the 1950s, _________the blacks didn't have equal rights, a lot of marches took place.

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The students find _________important to read English every morning.

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In those days few people ______ what the scientist discovered.

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In the past, people ________ a very hard life.

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--I don't like that kind of management.

--______ do I.

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_____ watching TV, I listen to the radio every day.

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Jack can't tell me ________he didn't do his homework.

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As is known _______ us, the city of Hangzhou is famous _______ the West Lake.

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We are living in an age _____ many things are done on computer.

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--You know, Bob is a little slow ______ understanding, so...

--So I have to be patient _______ him.

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