题目内容：
[单选题,3.3分] 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：[单选题,3.3分] By the time Jack comes back from his ho
- 题目分类：河南大学-大学英语（一）
- 题目类型：选择题
- 查看权限：VIP
A.finish
B.have finished
C.had finished
D.shall have finished