"What is your favorite color?" is the best I can do.

Don't even need a few words, "Elderberries".

Edited for clarity.

"Who goes there?" and "It's only a model" could work without any more context. But I think I would go with "Oh, don't be such a baby" even with context I think lots of people won't immediately recognize this.

She's got huge tracts of land

My best efforts from the script, but it ultimately goes to show that you're right:

• Well, can you hang around a couple of minutes? He won't be long.
• That's enough music for now, lads. Looks like there's dirty work afoot.
• Well, this is the main hall. We're going to have all this knocked through, and made into one big living room.

Of course it's a good idea!