1. A. live

This is the present simple tense, used to describe habitual actions or states.

2. B. has

The house is a singular noun, so we use the singular form of the verb "have."

3. A. are

"Many beautiful flowers" is a plural noun, so we use the plural form of the verb "to be."

4. B. near

"Near" indicates proximity to the house.

5. A. nurse

The context suggests that the mother works in a hospital, which is consistent with the profession of a nurse.

6. D. with

"With" indicates that the speaker and brother attend the same school together.