Here are the completed sentences with the words that might fit based on common phrases and contexts:

1. They have an extremely **user-friendly** website which allows visitors to source by brand.
2. Samsung CEO confident that Galaxy S10 will meet your **expectations**.
3. Teenagers often start smoking because of **peer** pressure.
4. I can't stand with such a **talkative** person like her. She talks too much every day.
5. That man is a **bully** who intimidates his wife and children into doing what he wants.
6. My new mobile phone can **navigate** the web easily and fast.

Please adjust the specific words based on the ones provided in exercise 1 as necessary.