I found ________ difficult to work out theproblem without a computer.

A Boeing 777-200 plane became lost in communication (失去联系) at midnight the early morning of March 8th． —I was amazed(震惊) to hear that.

Baoji isn’t ____ she used to be. Great changes have taken place in the past years.

On April 14, 2010, many people dressed in black with white flowers ______ their chests observed three minutes of silence in memory of the victims in Yushu Earthquake .

“You have to trust in god, ___________friends and bank on education,” the teacher said in an honest voice.[ ]