Can someone help me with this assignment

Explanation:

1.To create an usted command, remember the mantra: form of yo, drop the – o, add the opposite ending. Think of the present tense yo form of the verb you want to make into an usted command, then drop the – o ending and add the él, ella, or usted ending normally used for the opposite kind of verb.

2.Usted and Ustedes Commands

Since the pronoun usted is specifically used to demonstrate respect, it's especially important to remember to use the correct form if you wish to command someone whom you would address using usted.Usted and ustedes commands are created like negative tú commands and are used for both affirmative and negative commands.

To create an usted command, remember the mantra: form of yo, drop the – o, add the opposite ending. Think of the present tense yo form of the verb you want to make into an usted command, then drop the – o ending and add the él, ella, or usted ending normally used for the opposite kind of verb. For an – ar verb, use – e, and for an – er or – ir verb, use – a. Table 1 shows the endings for usted and ustedes commands

the right answer is c. tiempos

el partido de fútbol tiene dos tiempos

in english, this translates:

a football match has two halves

these halves cosists of 45 minutes each.   each half runs continuously. on the other hand, there is usually a 15-minute half-time break between halves.