Answer:
a. They overslept this morning.
b. The earth moves around the sun.
c. She's tired.
d. John had an accident
e. He had been working until 10 o' clock at night
f. When she got there the place was almost empty
g. She enjoyed herself last night
h. Pujan was living with her husband
i. I will meet John by tonight
j. It was raining cats and dogs over there