For 1-6, all you have to do is conjugate the words by taking away the -ar at the end of the infinitive and adding the designated ending.
1. cantar, canto, cantas, canta, cantamos, cantan
2. preguntar, pregunto, preguntas, pregunta, preguntamos, preguntan
3. contestar, contesto, contestas, contesta, contestamos, contestan
4. practicar, practico, practicas, practica, practicamos, practican
5. desear, deseo, deseas, desea, deseamos, desean
6. llevar, llevo, llevas, lleva, llevamos, llevan
section two conjugate the infinitive like before, with the subject from the sentence
1. viajan
2. hablamos
3. llegan
4.dibujo
5. compra
6. regresan
7. termina (i think)
8. buscas
8. D "explicar" means explain
9. C
11. D "Levantan" means get up
12. A "maquillaje" means makeup which you find at a beauty salon
14. B "Yesterday Carlos Learned to Ski"
15. C
16. A "cash a check"
The correct answer is B. "Aldana y Peter me ayudan a mudarme"
Start with: 11a into 17b into 19a into 13b into 18a into 14b into 15a into 12b into 17a.
Hope this helps and makes sense to you. Best of luck.