摘要:本单元语法--情态动词(Ⅱ)1.Although this sound like a simple task.great care is needed. A.must B.may C.shall D.should 解析:选B.考查情态动词.句意:虽然这也许听起来是一项很简单的任务.但是需要非常小心.前半句中的although引导让步状语从句.由此可判断B项正确.
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