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7．I lost my keys，otherwise I ________ comfortably in bed now．（　�。�

	A．	would have slept		B．	were sleeping
	C．	would be sleeping		D．	am sleeping

分析我的鑰匙丟了，要不然我現在就能躺在床上舒服地睡覺了．

解答答案：C 題干表示與現在事實的相反假設，要用虛擬；對現在的虛擬，主語中要用情態動詞加動詞原形來構成；句意otherwise相當于條件句if I hadn't lost my keys．故選C．

點評虛擬語氣是表示與事實相反的假設，構成方式有：對現在或將來，條件句中用一般過去時態，主語用情態動詞加動詞原形；對過去，條件句中用過去完成時態，主語用情態動詞加完成時態．學習時，要牢記構成方式．

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