—Whydoyoulooksopuzzled?—Oh，Iov

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—Why do you look so puzzled?
—Oh，I ________ over a most difficult maths problem.

A．thought	B．have thought
C．am thinking	D．think

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Thecompositiongivenbytheteacher___,AlicewenttowatchTV.

A．beingdonewell	B．hasbeendonewell
C．havingdonewell	D．donewell

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Theweather ___ fine,theydecidedtogooutforawalk.

A．were

B．was

C．is

D．being

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Mr. Green is said _____ an experiment to prove the new method of solving　the problem when young.

A．to do

B．to have done

C．to be doing

D．to have been doing

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You will see this product made in this factory _____ wherever you go.

A．to be advertised

B．advertised

C．advertise

D．advertising

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_____ the big snake, the little girl stood under the tree _____ to death.

A．Seeing; frightened	B．Seeing; frightening
C．Seen; frighten	D．To see; frightening

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