Explanation

The course will be completed by next month.

This sentence refers to a future action.

"Will be completed" is the correct future passive form.

It indicating that the course will finish by next month.

Explanation

RAM, or Random Access Memory, is a type of computer memory that is used to store data or programs that the CPU is currently using.

 It's a temporary storage space that is cleared when the computer is turned off.   

Explanation

The underlined word "which" in the sentence "Which is your pen?" is an interrogative pronoun.

Interrogative pronouns are used to ask questions.

They include words like "who," "whom," "whose," "which," and "what."

Explanation

The sentence "They invited us to their home yesterday" is in the past indefinite tense. 

This tense is used to express actions that happened at a specific time in the past, and the time is mentioned or implied.

In this case, the time is mentioned as "yesterday."

Explanation

In this sentence, "a little" is used as a quantifier to indicate a small amount or degree of something.

It implies that there is a chance of recovery, but it is not very high.

Explanation

The World Trade Center complex in New York City was destroyed on September 11, 2001.

September 11 attacks, also called 9/11 attacks.

On September 11, 2001, the complex was destroyed in a terrorist attack when two hijacked commercial airliners were flown into the Twin Towers.

The attacks killed 2,606 people in and around the towers, as well as all 157 on board the two aircraft.

Explanation

"He had all the money in the world, yet he was sad."

The use of "yet" emphasizes the unexpected contrast between wealth and sadness.

Therefore, "yet" is a more appropriate choice for this sentence

Explanation

The First Amendment of 1974 did not specifically mention Swat, Gilgit, or Naran-Kaghan as part of Pakistan.

However, these areas were already part of Pakistan before the amendment. 

Therefore, the correct answer is (d) FATA, as none of the options (a), (b), or (c) were specifically included in the First Amendment of 1974.