— I'm going to the States. — How long __
题型:选择题
问题:
— I'm going to the States.
— How long _____ you _____ in the States? [ ]
A. are; stayed
B. are; staying
C. have; stayed
D. did; stay
— I'm going to the States.
— How long _____ you _____ in the States? [ ]
A. are; stayed
B. are; staying
C. have; stayed
D. did; stay