The first text books for teaching English as a foreign language came out in the
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The first text books ________ for teaching English as a foreign language came out in the 16th century.
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A.having writtenB.to be writtenC.being writtenD.written试题答案
答案:D
解析:导解:句中the first text books与write之间为被动关系,而且表示的是完成的动作.过去分词作定语. |