题目内容：
—I cannot find Tom anywhere.He _________ have been off long. I heard him make a call just now.
（4.0分）0.0 分
A、
shouldn.t
B、
can.t
C、
mustn.t
D、
needn.t
参考答案：
选择题：—I cannot find Tom anywhere.
- 题目分类：郑州航空工业管理学院-土木工程-公共英语（3）
- 题目类型：选择题
- 查看权限：VIP
He _________ have been off long. I heard him make a call just now.
（4.0分）0.0 分
A、
shouldn.t
B、
can.t
C、
mustn.t
D、
needn.t