1. Qualifying what you say: Adverbs.
Compare:
The World Wide Web has always offered an unlimited source of information, but only recently has this information been tapped
The World Wide Web has always offered a virtually unlimited source of information, but only relatively recently has this information been tapped
and
If you answer yes to all these questions, you are just the right type...
If you answer yes to all these questions, you are probably just the right type...
and
The quality of interaction is much better and more personalized than in traditional onsite education.
The quality of interaction is generally much better and more personalized than in traditional onsite education.
Words like virtually, relatively, probably and generally can be used to qualify statements, and to make them less assertive and therefore more acceptable.
Make the following statements less assertive by putting the word on the left in the right place in the sentence.

3. Word formation and repetition.
Online learners need to be strongly motivated. Lack of motivation is more acute if you're working on your own.
Write the correct form of the bold word to complete these sentence pairs.

Online education dispenses with many of the inconveniences
Once you've enrolled in an online course
Not everyone has access to the technology required...
They also should be able to take responsibility for their own learning...
Choose the correct preposition to complete these sentences.