题目内容：
By the time Jack comes back from his hometown, we _______ all the preparations.A.finish
B.have finished
C.had finished
D.shall have finished
参考答案：
选择题：By the time Jack comes back from his hometown, we
- 题目分类：河南财经政法大学-会计-大学英语1
- 题目类型：选择题
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A.finish
B.have finished
C.had finished
D.shall have finished