单项选择题

Without the sun"s light ______ the earth"s surface, no life could exist on the earth.

A．warms
B．warmed
C．to warm
D．warming
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单项选择题
The coat I m wearing now cost about ______ of that one hung over there.
A．twice price
B．twice the price
C．the twice price
D．the price twice
单项选择题
It was ______ he said ______ disappointed me.
A．what; that
B．that; what
C．that; when
D．it; when
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