单项选择题

You（）.yesterday if you were really serious about your work.

A．ought to have come
B．ought have come
C．would come
D．ought to be coming

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单项选择题
Hydrogen is the fundamental element of the universe （） it provides the building blocks from which the other elements are produced.

A．so that
B．but that
C．in that
D．provided that
单项选择题
In no way （） the amount of heat.

A．the temperature equals
B．does the temperature equal
C．equals the temperature
D．do the temperature equal
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