Explanation

• Here 'daily' shows something something happens continuously. 
• This question belongs to Present Indefinite Tense. 
• Formula of Preset Indefinite Tense (Simple Sentence)
• Subject + first form of a verb + object
• They take exercise daily means وہ روزانہ ورزش کرتے ہیں
  

Explanation

Present Continuous Tense

Active Voice: Subject + is/am/are + First of verb + ing + obect.

Passive Voice: Object + is being/am being/ are being + third form of verb + by + subject.

Active Voice: I am doing sums.

Passive Voice:  Sums are being done by me.

Do is a regular verb which means کرنا

Do means perform.

Did is the second form while done is the third form of Do. 

Explanation

Exercise is good for health.

ورزش صحت کے لیے اچھا ہے۔

No article

Explanation

•  He received the letter yesterday اس نے کل خط موصول کیا
• This sentence belongs to Past Indefinite Tense because it has 'yesterday'.
• Formula of Past Indefinite Tense (simple sentence):
• Subject + second form of a verb + object + (time)

Explanation

 I shall help you and you will succeed means میں آپ کی مدد کروں گا اور آپ کامیاب ہوجائیں گے

Explanation

He was as rich as he is today means وہ اتنا ہی امیر تھا جتنا آج ہے

Explanation

Ali said that the earth revolves around the sun is correct sentence because this sentence is referring to a universal fact which cannot made by using Past/Future Tense.

This sentence only belongs to present tense.

Explanation

Caught Up means مصروف تھا 

Absorbed means پوری توجہ کے ساتھ مصروف تھا

Explanation

As a journalist who works to overturn erroneous convictions, Griffin Nicholson was opposed to the court ruling curbing appeals for inmates who might be exonerated.

Explanation

The professor  was travelling in Punjab when he received notice of his transfer.

We use were for plural and was for singular.