Remember, if it happened so that your introduction is missing at least one of them, it can be considered as being a weak one.
Every introduction consists of the following steps:
Your introduction should begin with a general statement about the topic of your TOEFL essay.
Ace the TOEFL Essay (TWE) is the resource you need to tackle the most challenging section of the TOEFL.
Inside you'll discover:
• How to write the essay
• A complete crash course in grammar
• 10 real sample essays
• Study exercises to hone your skills
• And much more!
Compare and Contrast - TOEFL Independent Essay