Correct the mistakes: Don't shut down the computer as I'm downloading a film.

Correct the mistakes: Electronic books are becoming more and more popular.

Present simple or continuous: If a computer ______ (crash), you _______(lose) the file you _______ (work) on unless you _______ (save) it regularly.

Present simple or continuous: Back-up copies ______ (take) time to prepare, but they are essential.

Correct the mistakes: When you visit the website, you are getting a choice of free downloadable applications.

Present simple or continuous: The developers ______ (deal with) a number of bugs in their latest app.

Present simple or continuous: Generally, online customer support _______(improve), though some computer manuals are still not accessible enough for users.

Correct the mistakes: My neighbour gives me access to his wifi this week but I'm planning to install my own on Monday.

Present simple or continuous: In the latest version, a dragon _______ (fly) overhead and ______ (explode) when you _____ (hit) it.

Present simple or continuous: The company ________ (develop) an interface to allow users to personalise their documents.

Correct the mistakes: The week only, the shop sells all software at 20% off,

Present simple or continuous: Whenever you ______ (log on), the system ______(require) you to enter your password and then it ______ (generate) a random security question.

Correct the mistakes: Once I find a useful site, I'm bookmarking it for future reference.