For the second part the answers are:
1. Vivo
2. Vivimos
3. Viven
4. Abren
5. Abrió
For the third part the answers are:
For the First box these are the answers:
1. David vive en Miami.
2. David abre muchos Tweets.
For the second box these are the answers:
1. Cierto
2. Falso
For the third box these are the answers:
1. Ella vive para cantar.
2. Nosotros vivimos para cantar.
Answer:
The correct answer is A. Nadábamos
Explanation:
We used to swim, corresponds to the imperfect preterite, translated as "soliamos nadar"/"nadabamos"
Said tense refers to past situations, without relevant time limits.