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6．All school buses in the northwestern provinces ______ with satellite positioning devices next year．（　　）

	A．	will be fitted		B．	fitted
	C．	have been fitted		D．	are fitted

分析明年西北省份的所有校車將會安裝衛星定位裝置．

解答答案：A 題干中next year表示將來，要用一般將來時態；fit安裝，與buses之間構成動賓關系，要用被動．故選A．

點評語態是表達主語和動作的關系，分為主動語態和被動語態．主動語態表示主語和動作構成主謂關系；被動語態表示主語和動作構成動賓關系．從定義中，可以知道被動語態使用的前提是動詞必須及物．學習時要注意掌握．

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