Explanation

Went is the past tense of go.

Go is an irregular verb, and its past tense is went.

Gone is the past participle of go. 

Explanation

Pakistan has a long and strong relationship with China.

The long-standing ties between the two countries have been mutually beneficial.

A close identity of views and mutual interests remains the centre-point of bilateral ties.

Explanation

Citric acid is commonly found in citrus fruits like oranges and lemons.

Grapes contain small amounts, but mango is not a significant source of citric acid;

It contains more malic and tartaric acids instead.

Explanation

 Had finished (if used in a past perfect context, like “They had finished their work before the deadline.”)

Explanation

Nusrat Fateh Ali Khan born October 1948.

King of Qawwali, Nusrat Fateh Ali Khan died on August 16, 1997 of a sudden cardiac arrest in London at the age of 48.

Explanation

 In 2010, the estimated population of Pakistan was approximately 173.51 

Explanation

 I am here for you.

Correct and natural — This is the standard, meaningful phrase that means “I am present and available to support you.”

Explanation

A landscaper's work encompasses creating and maintaining outdoor spaces,

Including gardens and other outdoor areas, using materials like wood and iron. 

Explanation

The sentence is expressing a future action ("going to the zoo tomorrow").

The structure "subject + be + going to + verb" is used for plans.

"are" is used for plural subjects (we, you, they, My brother and I).

Explanation

 Sri Lanka is a significant exporter of textiles and garments

Additional information 

 Sri Lanka Capital is Colombo.

Sri Lanka Currency is Sri Lankan Rupee.

Sri Lanka official language is Sinhala; Tamil.

Sri Lanka located is in Continent Asia.