Problem: Sir Clifford wants me to find him a new groom , about twenty or twenty-one, who knows *his* business. His old coachman is getting feeble, and he wants a man to work with him and get into his ways, who would be able, when the old man was pensioned off, to step into his place

Do "his" and "new groom" mean the same thing?

Answer: yes

Problem: Mark heard Steve 's feet going down the ladder. The door of the shop closed after *him* . He ran to look out the window.

Do "him" and "Steve" mean the same thing?

Answer: yes

Problem: As Andrea in the crop duster passed over Susan , *she* could see the landing strip.

Do "she" and "Andrea" mean the same thing?

Answer:
yes