The Internet has brought _____ big changes in the way we work．

"I wish you’d look at me when I'm trying to speak to you!" the teacher said      .

The 18 college students in Fudan University should           show their greatest respect to their hero — Zhang Ninghai instead of being cold and unfeeling.

 So far, several ships have been reported missing _______ the coast of Bermuda Island.

Food safety is ________ important, so the government spares no efforts to prevent food pollution.