A2+ camb reading part 4

Going by bus sounds like a good idea. It/They would be cheaper than the train, too.

When I saw Grace at the party, I thanked her for her letter, it/which had arrived the day before

We decided to turn left at the crossroads. These / This, we soon found out, was a bad decision.

Two young children asked me where classroom 32 was, so I walked there with those/them.

There were two bikes for sale in the shop. Liam bought the newer one / ones.

Nobody else saw the car stop outside the house, but Emily saw/did.

I'm not certain that the match starts at seven tomorrow, but I think so/it.

Somebody phoned the police. It/They arrived in ten minutes and arrested the man.