How do you say

My wife and I are expecting a baby next month.

..in Chinese?

我和妻子的宝宝预计下个月出生

wǒ hé qī zǐ de bǎo bǎo yù jì xià gè yuè chū shēng

How do you say "I bought a new sofa; it fits the living room perfectly." in Chinese?