Exercise 6. Fill in the blanks with the correct form of the verbs.
1. She
2. He w
loud music.
(sing) a beautiful song on stage when the microphone stopped working.
(study) for three hours last night when his roommate came in and started playing
3. They were swimming in the ocean all day when they
4. I was finishing my work early today when my boss
5. We
(see) a school of dolphins.
(call) me into a meeting.
(drive) to the mountains for our vacation when we got stuck in traffic.
(arrive) when you accidentally
6. You were cleaning the entire house before the guests
broke a vase.
7. The dog
(bark) loudly all night because it heard a noise outside.
Exe
1.
A