1.
b. was listening
c. was studying
d. was preparing
e. was meeting
f. were painting
g. was calling
h. were swimming
i. were playing
2.
a. doing, came
b. sitting, played
c. asleep
d. were driving, listened
e. was, rang
f. was cleaning, falling
g. making
h. going, met
i. dancing, went out
