Explanation

The committee have decided to postpone the event until next month.

Committee is a collective noun and is generally treated as singular in British English: The committee has decided…

Explanation

The sentence “I have been working on the problem” uses have/has + been + verb-ing, which is the present perfect continuous tense.

It indicates an action started in the past and is still continuing or recently stopped.

Explanation

Correct forms are:

“Yes, I have free time” (no a before uncountable noun).

“This morning I woke up early.”

“This is a six-month course” (adjective form is singular).

Explanation

Kleptomania is a mental disorder where a person has an irresistible urge to steal, even without need or profit.

Example: Her kleptomania made her steal small items from stores unconsciously.

Explanation

Taciturn refers to a person who is habitually silent or speaks very little.

Example: She is a taciturn girl who rarely joins conversations.

Explanation

Explanation

The sound made by an owl is called a hoot.

It’s a deep, echoing sound often heard at night.

Explanation

• FATF stands for Financial Action Task Force.
• The Financial Action Task Force (FATF) is the global money laundering and terrorist financing watchdog.
  
• The Financial Action Task Force (FATF) was founded in 1989.
• One year is the tenure of FATF President Ship which rotates among member countries.
• FATF Headquarters is located in Paris.
• FATF Members countries are 39.
• FATF's Official languages are English and French.

Explanation

Red light rays have the lowest frequency and highest wavelength value.

Blue or violet light has the shortest wavelength.

Explanation

AB positive (AB+)

and O negative (O-) are considered universal blood types

because they can receive blood from all blood kinds

without experiencing any hemolytic reactions.