Answer:
1. Tú cantas.
2. Ellos conversan.
3. Tú y yo cenamos.
4. La profesora enseña.
5. Mis compañeros viajan.
Explanation:
identifying the person of the narrator, and the time in which it is indicated, we can correctly conjugate the verb, and that it has agreement with what is being expressed.
Porque tú
Cuando yo y mis hermanos peleamos.
Tú cocinas lo mejor de todos
The answer would be A cause you don't put a glass in a suitcase.