THE LIGHTS __________ OUT WHILE I __________ MY HOMEWORK LAST NIGHT...

8. - KIEM TRA 1 TIET LAN 2
KIEM TRA 1 TIET LAN 2
8. The lights __________ out while I __________ my homework last night.a. go / am doing b. went / was doing c. went / had done d. was going / was doing