For this case we can translate the sentence as:
Juanito's father demands that his son __________ his homework with excellence.
We must complete the sentence with the verb "to do" in the present and third person. That is to say: El haga
Thus, the sentence looks like:
Juanito's dad demands that his son do his homework with excellence.
Answer:
Option B
El papá de Juanito exige que su hijo haga sus tareas con excelencia.
Trabajar means: to work
Since it's your friend that works in a restaurant, you conjugate it to él/ella/ud.
Mi amiga <em>trabaja</em> en un restaurante.
Answer:
Que tengo que hacer
what am I supposed to do??
Explanation:
1 c
2 a
3 b
4 d
5 d
6 b
7a
8b
9 c
10 c
11 d
12 d
13b
14 a
15 a
16 d
17 b
18 b
19 d
20 b