Please excuse me _______ your letter by mistake.
You are well prepared for the job interview, ______ there’s no need for you to get so nervous.
---Shall we open the window to let some fresh air in? ---_________. I’m feeling a little cold.
–Thank you for picking me up from the supermarket! – _________.
_______ is no doubt that the world is being smaller, due to the technological advances made by the computer.
More than 100 students in that school_________ abroad for further study so far.