No one can use cell phones in any areas at the hospital ______ equipment might be affected

How long is this cell phone guaranteed？（)A、 No problemB、 You can refund it in 7 days an

No one can deny that we（make) ______tremendous progress in the past twenty years.

The Internet, cell phones, palmtop computers and other digital technology allows one to qu

We have been told that under no circumstances we can use the telephone in the office for p

Everyone in the world experience feeling of pressure or stress. No one can avoid stresscom

Signs barring cell-phone use are a familiar sight to anyone who has ever sat in a hospital