题目：If he _____ more careful, he wouldnt have made that mistake.
2024-11-13
If he _____ more careful, he wouldn\'t have made that mistake.
A. was
B. had been
C. were
D. is
正确答案：B
试题解析：暂无
If he _____ more careful, he wouldn\'t have made that mistake.
A. was
B. had been
C. were
D. is
正确答案：B
试题解析：暂无
