Whilehewasinvestigatingwaystoi

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While he was investigating ways to improve the telescope, Newton made ______ discovery which completely changed ______ man’s understanding of colour.

A．a; 不填

B．a; the

C．不填; the

D．the; a

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________, Nathan gave back the enormous amount of money he found.

A．To his sorrow

B．To his joy

C．To his surprise

D．To his credit

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________ entered the classroom ________ the bell rang.

A．We hardly had; before	B．Hardly had we; when
C．Hardly had we; than	D．Hardly did we; when

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— Did you remember to give Jenny the money?
— Yes. ________ I saw her, I’m sure.

A．As far as

B．In case

C．The instant

D．Now that

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______ their homework, these three students have to stay in the classroom for another thirty minutes.

A．Not finishing	B．Not finished
C．Having not finished	D．Not having finished

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When ________ what made him a popular person, he said it was his personality.

A．asking

B．asked

C．being asked

D．ask

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