another question

littlebluesk

a:
Cooperative apartment houses have the peculiar distinction (of being dewelling that must also operate as businesses.)
A is correct,

but i can't understand why use "business" as a plural.
thank!

justag

me. either. But I guess it doesn't hurt much if you the other choices have obvious errors. You may refer to the dictionary to see what the plural of businesses means? Is it like "fishes" meaning all kinds of fish? Ehn, sound reasonable for me.

alex

but, what's wrong with choices (B)of dwellings that must also operate like business

justag

alex reminds me:
dose "businesses" means JU TI, but "business" means CHOU XIANG?