Explanation

Boat means کشتی 

Wake means پانی میں ہموار لکیر 

Foot means پاوں

Track means راستہ 

Explanation

I saw a beautiful bird means میں نے ایک خوبصورت پرندہ دیکھا 

This is a sentence of past indefinite tense.

See is a verb which means دیکھنا

Saw is the second form and seen is the third form of see.

Past Indefinite tense

Active Voice= Subject +  Second Form of Verb + Object.

Passive Voice = Object + was/were + third of verb + by + subject.

Explanation

The following phrases end in “To” and are followed by “ing” form of a verb.

“Be used to, accustomed to, averse to, addicted to, in addition to, with a view to, devoted to, look forward to, object to, owing to, given to, taken to, prone to”.

Explanation

Laugh is an intransitive verb.

Laugh at someone means کسی پر ہنسنا یا مذاق اڑانا 

Laugh is generally followed by at

We should not laugh at the poor means ہمیں غریبوں پر نہیں ہنسنا چایئے  

Explanation

"As far as I know, she is sick" is correct and commonly used. It means that based on the information you have, you believe she is sick.

"In my opinion, she is sick" is also correct. It expresses your personal belief or judgment.

So, the correct and more natural options are:

B) As far as I know, she is sick.

C) In my opinion, she is sick.

Explanation

We suggested him to mind his own business means ہم نے اسے مشورہ دیا کہ وہ اپنے کام سے کام رکھے

If you know more details about this question, let us know please.

Explanation

incorrect: Choose the correct sentence. If the sky falls, we shall catch larks

correct: If the sky falls, we shall catch larks

This is a Conditional Sentence. 

Rule: If + other words (in present tense), subject + shall + first form of a verb object.

Explanation

Article “the” is used before a superlative degree of Adjective.

More useful is comparative degree while the most useful is the superlative degree.

Explanation

Unless means جب تک

جب تک آپ گھنٹوں کام نہیں کرتے یہ کام وقت پر مکمل نہیں ہو سکتا۔

Explanation

The word "then" is incorrect here; it refers to time.

The correct word is "than", used for comparison.

Correct sentence: "This movie is more interesting than the one we saw yesterday."