Explanation

America is a noun singular noun and singular noun takes a singular helping verb (has)

Explanation

Should is used to advise or recommend an action.

In context, it indicates that finishing homework is the proper or expected action before playing.

Explanation

The sentence uses the correlative conjunction “not only … but also” to link two related achievements of Henry Ford.

Correct form: “Henry Ford not only revolutionized the automobile industry, but also established the Ford Foundation.”

Explanation

“During talking” correctly indicates the time when the speaker emphasized recycling.

It is a grammatically appropriate phrase for describing actions happening simultaneously.

Explanation

"But" is used to contrast two ideas.

The first clause shows intent to leave, and the second shows he didn't, so contrast fits best.  

 He wanted to leave but he stayed until the end.

(وہ جانا چاہتا تھا لیکن وہ آخر تک رُکا رہا۔)

Explanation

- "A few" is used correctly with countable nouns like "events".  

- "Colossal" means very large or significant, which fits well with "failure".

Explanation

The definite article "the" is used before adjectives like "easiest" to specify a particular path.

Correct usage: "the longest but the easiest path" emphasizes both extremes of the path.

Explanation

The correct preposition with the verb "collide" is "with" to indicate what the bus hit.

Example: "The bus collided with a truck," showing the impact between two objects.

Explanation

A complex sentence contains one independent clause and at least one dependent clause. 

Here, "I will give you your present" is the independent clause, and "after you eat your dinner" is the dependent clause.

Explanation

At the verge of disaster means very close to a disastrous situation