b)He was watching TV at five minutes past nine.
c)He was cleaning his flat at a quarter to ten.
d)He was cleaning his flat at a quarter past twelve.
e)He was talking on the phone at a quarter past one.
f) He was doing exercises at twenty-five minutes to three.
g) He was doing exercises at half past two.
h)He was taking a shower at ten minutes past three.
i)He was reading books at five o'clock.
j)He was watching video at a quarter past six.
k)He was walking his dog at five minutes past eight.