YESTERDAY MORNING, WHEN I ARRIVED AT THE AIRPORT, SOPHIE __________...
2. Yesterday morning, when I arrived at the airport, Sophie ___________________for me.
A. waited
B. was waiting
C. has been waiting
D. had waited
2. Yesterday morning, when I arrived at the airport, Sophie ___________________for me.
A. waited
B. was waiting
C. has been waiting
D. had waited