Lisa was busy taking notes ________ Mark was searching the Internet for the information.

Please keep a detailed _________ of the work that you have done.

The sales manager had his secretary _______ a press conference for their new products.

No matter who he is, young or old, people＇s state of mind tends to keep _________ with the rapid change of society.

When dealing with a ________ task, Alice always asks for help from people around her.

Helen is fond of light music, ________ her brother is keen on rock and roll.

I can＇t find the key to my office. I ________ have lost it on my way home.

Please note that I will be away from Boston next week, _______ you want to call me and discuss things.

Ever since I arrived here, I _________ in the dormitory because it is cheaper.

All the traveling _________ are paid by the company if you travel on business.

The new model of the car was put into production in 2007, ________ helped to provide another1400 jobs.