Q: .

My meeting started at 4:00 and I needed to catch the train at 4:30, so there wasn't much time. Luckily, *it* was delayed, so it worked out.

Do "it" and "the train" mean the same thing?
A: yes
Q: .

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?
A: no
Q: .

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 "Mark" mean the same thing?
A:
no