In oral speaking, other than giving suggestion and explaining the effects, elaborating on the causes of some issues is one of the important question types too! To deal with this type of question, this passage includes the 4 nouns that you need to know. This helps you to avoid the same word choices as other candidate, grabbing the attention of markers!
Factor
Wonderful visual effect can be one of the factors for 3D movies to become popular in Hong Kong.
Consequence
To prevent serious consequences, such as destroying the beauty of the heritage, those buildings should be preserved.
Cause
Laziness of people is the major cause for technological products to become more popular.
Justification
Keeping memories for both my friends and me is one of my justifications for writing a diary.
With the effective use of words, sooner or later 5** will come to you!