The arrival of an unwanted thing or person
Something good happened. The best thing to happen to that individual all day
To try and solve a problem or assist in some way
These are idioms
Never seen that question before I would say the correct adverb would be sank
Answer:
In my opinion, it might be B and E
Explanation:
It cannot be refuted, because you're not proving anything wrong to anyone. You're only agreeing or disagreeing (B).
And it must be written with a load of facts and in a clear and understandable language (E).