Microsoft ended support for Windows XP after April 8, which _______a major operating system for some Chinese computer users, and advised users to upgrade to Windows 8.1.
Could you give us the reason why you didn't do as _____ ?
To all of you _____ the honour for the success.
Mary didn't come to our party yesterday because she was busy preparing for the exam. We all felt sorry _____ her.
He hid himself behind the door _____ he still could see what would happen to his classmates.
Do you have any idea of the reason _____ he referred to?