Choose the correct informal command. bueno. Ser Seas Sé Sega

Vivimos is the answer hope it : )

This has your answer:  

I'm not sure if you mean for us to translate or to answer. but i'll translate as these are questions for you to answer. 1. how long has it been since you've read a book? . 2. how long has it been since you've eaten breakfast? . 3. how long has it been since you've talked with your spanish professor?

That is correct! good job!