Tense : - The tense of a verb in a sentence expresses time the event has occurred. There are three tenses of a verb: Present, Past and Future: time now, time then and time to come.

Simple Present tense : - It is used to describe habits, unchanging situations, general truths, and fixed arrangements.

Rule: Subject + First Form of the verb (s/es) + Object

To form a sentence in simple present tense, most regular verbs use the root form, except in the third person(which ends in-s).

• First person singular: I write.
• Second person singular: you write.
• Third person singular: he/she/it/anyname writes (note the –s)

In the question : -

1. We ____________ the bus every morning.

In this sentence , the correct form of tense that can be placed in the blank part is catch as it is used to show some event which happens in daily routine and in simple present tense we use first form of verb which is catch here . With plural subjects , we don't use s /es .

2. Water _____________ at zero degrees.

In this sentence , the correct form of tense that can be placed in the blank part is freezes as it is used to show some event which happens in daily routine and in simple present tense we use first form of verb which is freeze here . With singular subjects , we use s /es .

Thus , the Correct Option is A , which is Catch , Freezes .

Tense : - The tense of a verb in a sentence expresses time the event has occurred. There are three tenses of a verb: Present, Past and Future: time now, time then and time to come.

Simple Present tense : - It is used to describe habits, unchanging situations, general truths, and fixed arrangements.

Rule: Subject + First Form of the verb (s/es) + Object

To form a sentence in simple present tense, most regular verbs use the root form, except in the third person(which ends in-s).

• First person singular: I write.
• Second person singular: you write.
• Third person singular: he/she/it/anyname writes (note the –s)

In the question : -

1. My father ___________ the newspaper every morning.

In this sentence , the correct form of tense that can be placed in the blank part is reads as it is used to show some event which happens in daily routine and in simple present tense we use first form of verb which is read here . With singular subjects , we use s /es .

2. She _____________ work hard.

In this sentence , the correct form of tense that can be placed in the blank part is doesn't as it is used to show some event which happens in daily routine and in simple present tense we use first form of verb which is read here . With singular subjects , we use s /es . n't is the contraction form of not .

Thus , the Correct Option is B , which is  Reads , Doesn't .

Tense : - The tense of a verb in a sentence expresses time the event has occurred. There are three tenses of a verb: Present, Past and Future: time now, time then and time to come.

Simple Present tense : - It is used to describe habits, unchanging situations, general truths, and fixed arrangements.

Rule: Subject + First Form of the verb (s/es) + Object

To form a sentence in simple present tense, most regular verbs use the root form, except in the third person(which ends in-s).

• First person singular: I write.
• Second person singular: you write.
• Third person singular: he/she/it/anyname writes (note the –s)

In the question : -

1. She ____________ playing the piano.

In this sentence , the correct form of tense that can be placed in the blank part is enjoys as it is used to show some event which happens in daily routine and in simple present tense we use first form of verb which is enjoy here . With singular subjects , we use s /es .

2. He _____________ very hard.

In this sentence , the correct form of tense that can be placed in the blank part is tries as it is used to show some event which happens in daily routine and in simple present tense we use first form of verb which is try here . With singular subjects , we use s /es .

3. It ___________ the sand and the water.

In this sentence , the correct form of tense that can be placed in the blank part is mixes as it is used to show some event which happens in daily routine and in simple present tense we use first form of verb which is mix here . With singular subjects , we use s /es .

Thus , the Correct Option is D , which is Enjoys , Tries , Mixes .