搜题
王老师:19139051760(拨打)
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第1题

We are puzzled __________ how it happened.
·as usual
·as yet
·as well
·as to
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第2题

It’s __________ windy day. Let’s stay indoors.
·a such
·such a
·a so
·so a
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第3题

Wind is now the world.s fastest growing___of power.
·source
·sense
·result
·root
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第4题

Don’t forget _____ wheyou are finished with the electronic iron.
·to turit off
·to have turned it off
·turning
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