Jack could have avoided that terrible car accident, but he ________ careful enough. A. is not B. ha...
2023-01-13 19:44:37 144次 2011-2012学年江苏省高三第一次学情调研测试英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Jack could have avoided that
terrible car accident, but he ________ careful enough.
A. is
not
B. hasn’t been
C. was
not D. hadn’t been
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