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單項(xiàng)選擇題

A lecture hall is（）where students attend lectures.

A.there
B.which
C.one
D.that

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單項(xiàng)選擇題

This is the house（）he lived last year.

A.that
B.which
C.where
D.what

單項(xiàng)選擇題

The sun heats the earth,（）is very important to living things.

A.that
B.what
C.which
D.where

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