题目内容：
148. My wallet is nowhere to be found. I ___________ in the store. 我的钱包找不到了，一定掉在了商店里。A. must drop it B. must have dropped it
C. should have dropped it D. ought to have dropped it
参考答案：
选择题：148. My wallet is nowhere to be found. I _________
- 题目分类：东华大学大学英语4
- 题目类型：选择题
- 查看权限：VIP
A. must drop it B. must have dropped it
C. should have dropped it D. ought to have dropped it