I'llgototheteachers'officeassoonasIfinis
题型:选择题
问题:
I'll go to the teachers' office as soon as I finish what I _____. [ ]
A. was doing
B. am doing
C. have done
D. had been doing
I'll go to the teachers' office as soon as I finish what I _____. [ ]
A. was doing
B. am doing
C. have done
D. had been doing