题目

The naughty boy is a bit hard to deal with，which________the trouble adapting to the new environment. A．makes for  B．adds to C．focuses on  D．devotes to 答案：B　考查动词短语辨析。add to “使(数量)增加；使(规模)扩大”。此处意为“……增加了适应新环境的困难”。make for有利于，促成；focus on集中于；devote to献身于。

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