”No. You can say either “How about next Monday?” or “How about on Monday?”.

To understand something completely, comprehensive, comprehension.

It is technically correct, but it is antiquated. These are very old ways of saying “I don’t have the money,” or “I don’t have the time.” You might hear the older versions in countries like the U.K., but you will likely never hear them in the U.S.

The words learn and study are closely related to each other. Learn means "to gain knowledge or skill by studying" and study means "to read, memorise facts, attend school, etc."

No. "My friend recommended that I buy Apple shares".

We use “opportunity”to talk about a situation in which we can do something that we want to do. We use “possibility” to talk about something that may happen or be true.

B is correct. Thank God is an expression we use to express gratitude to God or to communicate that we are happy about something. We do not use the expression Thanks, God unless we are directly addressing God and thanking him for something.

Native Americans are the people who first lived in North America, way before European settlers arrived on this continent. A Native American is not someone whose mother tongue or native language is American English.

"I would never choose to live in another country, but if I did move to another country, it would be Spain."

You can say ‘fast’ or ‘prompt’, but not ‘operative.