Sentences-correction: write the missing word

-Write the missing word:

1-Google is the most popular search engine, many people have it as  homepage.

2-Use the back button to return to the previous page.

3-you Should refresh a webpage if it is slow.

4-Click on ‘favourites’ to open a list of your favourite websites.

5-it Is better to see the videos in full screen.

6-I often download from files the internet.

7-The ‘favourites’ menu is in the menu bar.

8-When you open the browser, you can see the homepage.