The businessman regretted having spent so much time traveling when he（ ）with his family.
A.正确答案Ashould have stayed
B.had stayed
C.was to stay
D.must stay
The businessman regretted having spent so much time traveling when he（ ）with his family.
The businessman regretted having spent so much time traveling when he（ ）with his family.
A.正确答案Ashould have stayed
B.had stayed
C.was to stay
D.must stay
