The correct cause and effect relationship for the sentence given above is ONE CAUSE AND ONE EFFECT.
For the sentence given in the question, the cause is that the speaker forgot his keys and the effect was that he could not enter into his house. A cause can result into an effect and at other times, a single cause can result into multiple effects.
Answer:
A new flat has been bought by him
My guess would be opinion.
Answer:
Repeating facts over and over can help bring comfort to those with short memories.
Explanation:
C: explanation, if you made note cards you wouldn’t have to rehearse them all you would have to do is read them
