The two boys look _______ much alike _______ no one can tell them apart.

A. so; that      B. so; and

C. as; that      D. such; that

The two boys look ________ much alike ________ no one can tell them apart.

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The two boys look so much alike _______no one can tell them apart.

A．so that            B．that              C．and              D．as

The two boys look so much alike ________ no one can tell them apart.

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