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题库 / Prep2007E1-SC-109
The discovery of glass being expandable and able to be shaped by human breath revolutionized glassworking to such an extent that today "glassblowing" has become the generic term for all glassworking, whether the glass is blown or formed by other techniques.
of glass being expandable and able to be
of glass that is capable of expansion and
of glass being capable of expansion and that it can be
that glass can be expanded and it is able to be
that glass can be expanded and
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如果选D那么在and后面要有that
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