Answer: D. Immersion
Explanation: Immersion also called language immersion is a learning technique or concept developed in other teach students a second language. Language immersion technique adopts the second language to train and teach students rather than just learning the language as a subject. When students spends the entire day learning the second language, thus is called Total immersion. This encourages students to adopt the language for casual conversation.
The metaphor in this statement is "the great millstone" it kind of qualification word it express how big the time was.
But in reality, millstone doesn't even have a relationship with the time.
So "the great millstone" is a metaphor.
Answer:
Neko
Explanation:
Neko means cat in Japanese
Question:
If x = 2, y = 3 and z = -5, then x^2 + y^2 +2z = ?
Answer:

Explanation:
Given



Required
Determine 

Substitute values for x, y and z in the above expression:




