--- I hear that you have made a new market plan. ---Yes, but what puzzles me now is how to ______the plan.

 Don’t ______ personal information such as your name， telephone number and address until you feel comfortable.

All the books are here.___ the one you like best.

Her sister ______ a rich man. They ______ for twenty years.

On April 24, Tsinghua University         its 100th anniversary at the Great Hall of the People in Beijing.