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Once e-mail learners _______ with the basic knowledge of how to use the network, they ______ to a local network and a global network.
A.are equipped … will be linkedB.are equipping…will be linked
C.are equipped … will linkD.will be equipped…will be linked
A
考查时态。根据once一旦及句意可知,从句用一般现在时代替将来时,主句用将来时态,主语they与link为被动关系,故选A。
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