Johnseemedpuzzledaboutthequest

John seemed puzzled about _____ the question meant.

A．how	B．why
C．what	D．which

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His sister left home in 1998, and _______since.

A．had not been heard of	B．has not been heard of
C．had not heard of	D．has not heard of

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When I talked with my grandma on the phone, she sounded weak, but by the time we ___ up, her voice had been full of life.

A．were hanging

B．had hung

C．hung

D．would hang

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The way the guests ___ in the hotel influenced their evaluation of the service.

A．treated

B．were treated

C．would treat

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Scientists have many theories about how the universe ___ into being.

A．came	B．was coming
C．had come	D．would come

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She'll never forget her stay thereshe found her son who had gone missing two years before.

A．

that

B．

which

C．

where

D．

when

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