When ________ to danger and conflict, men tend to increase blood pressure, ________ nervous and anxious.

I’ve arranged ____________ you at the airport, so don’t worry about that.

 ____ many times, I could not remember her telephone number. 

— Is Alice still performing？ — I’m afraid not. She is said 　　　　 the stage already as she has gone abroad for further study.

My classmates, Li Ming, was highly praised for ___ a good deed.