() tomorrows lessons, Frank has no time to go out with his friends.

科目名称：人文英语4

试卷号：10862，11390

题型：词汇与结构(单选题)

题目：() tomorrows lessons, Frank has no time to go out with his friends.

选项：A.Not preparing B.Not having prepared C.Not to prepare

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答案：B.Not having prepared