中科新闻网描写乌龟的活动的句子:高一英语选择题20
来源：百度文库 编辑：中科新闻网 时间：2024/05/15 00:01:24
________ tomorrow's lessons, I have no time to go out with you.
A.Not preparing B.Not prepar C.Not being prepared D.Not having prepared
是不是选D
A.Not preparing B.Not prepar C.Not being prepared D.Not having prepared
是不是选D
D
yep
D
是选D
D
现代分词做状语,而且是完成式,相当于Because I haven't prepared ...
现在分词做伴随状语，用现在完成时态的进行时态表动作发生在主句谓语动词的前面