Correct the mistakes in these sentences. Underline one incorrect word and write the correct word on the line.

9             Could someone say me how to use the videophone? ________

10           If we were a big company, we will buy some expensive equipment. ________

11           It would be great to knowing how to use smartphone syncing. ________

12           Our software is being cheaper and cheaper. ________

13           Our website is getting more and more popular: the number of visitors is decreasing. ________

14           The instinct messaging system in my office isn’t working at the moment. ________

15           We need a shared room for the video conferencing equipment. ________

16           We use a system call DRM, Digital Rights Management, to protect our software. ________