1. My sister and I … walking on the beach at 5 pm last week.a. is
b. were
c. am
d. was

2. The fire alarm rang … the boarding school students were sleeping

a. when
b. so
c. while
d. and

3. I was ... while my mother was ... yesterday

a. studied-cooked
b. studying-cooked
c. studying-cooking
d. studied-cooking

4. Arnold ... his laptop when I called last week

a. was cleaning
b. is cleaning
c. is cleaned
d. was cleaned

5. when you ... the door, I was sleeping

a. knocked
b. knocking
c. was knocking
d. was knocked

6. My friends ... on the track last Sunday

a. were running
b. was running
c. was runing
d. were runing

7. ... She driving a car a minute ago?

a. Were
b. Was
c. Is
d. Are

8. The Students were listening ... the teacher was teaching

a. so
b. while
c. when
d. and

9. Andi was eating when the postman ...

a. is coming
b. came
c. was coming
d. come

10. You were not ... a cup of coffee while I was watching the video

a. drink
b. drunk
c. drinking
d. drank​