Can you think of some cases ________ people can communicate only by means of body language?
--- Hi Mike, are you busy now? --- Not really. I _____ my work, and I’m going to see a movie online.
________ at the party, I found Tina seated alone in the front row.
--- Do you mind if I record your lecture? --- ________. Go ahead.
My chest _______ when I make a deep breath, doctor.
--- How can I use iPhone 4s? --- Just refer to the _________.