— Alvin, are you coming with us? — I'd l
题型:选择题
问题:
— Alvin, are you coming with us?
— I'd love to, but something unexpected ________.[ ]
A. has come up
B. was coming up
C. had come up
D. would come up
— Alvin, are you coming with us?
— I'd love to, but something unexpected ________.[ ]
A. has come up
B. was coming up
C. had come up
D. would come up