Answer:
a. Jane said that Mary works in a bank.
b. Jim said that he is staying with some friends.
c. Mike said that he had never been to Russia.
d. Ella said that Tom cannot use a computer.
e. Jill said that everybody must try to do their best.
f. Rachel said that Jane may move to a new flat.
g. Bill said that he will stay at home on Sunday.
Step-by-step explanation:
To change speeches to reported speech, take note of time/place/pronoun, put in the word "that" after the verb said. Remember, the speech is being reported. -> Also change tenses if necessary
Side note: I might be wrong or correct sorry