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2．-It's only seven p．m．I wonder _____________．（　　）
-Maybe she had something important to do．

	A．	why she left so early		B．	why did she leave so early
	C．	why does she leave so early		D．	why she leaves so early

分析 ---現在只是七點，我想知道她為什么要那么早離開？
---也許他有些重要的事情要做．

解答答案：A．wonder后加賓語從句，引導詞+陳述句語序，主句是一般現在時，從句時態不受限制，結合前后文Maybe she had something important to do可知動作發生在過去，故用一般過去時，故選A．

點評本題旨在考查賓語從句這一語法，做這類題時，要從三方面考慮：一、選準連接詞二、連接詞后緊跟從句的主語三、若主句是過去時，從句要改為相對應的過去時．

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