Linda Chinese for one year and she can speak good Chinese now.

276. Computer technology has _____ a revolution in business practices. Which of the following words is not suitable to be put in the blank?

own! Are you going to have anouting —_____

We forbid ______ here. Who has permitted you ______ here

Exploring ________ space is exciting, yet dangerous.There is _______need for both robots and humans for space exploration.