1. C
租 (zū) means “to rent” and 房 (fáng) is “house.” So 租房 (zūfáng) means “to rent a house.”
2. C
The sentence means “she likes to stay at home and rarely goes out on the weekends.” In this sentence, 宅 (zhái) is an adjective.
3. A
In modern Chinese, 住宅 (zhùzhái) has the same meaning as the noun 宅 (zhái), which is “house or dwelling.”
Adding this to twitter great info.