Because of the financial crisis,I have no ready____ on me. Can I pay you tomorrow?

---- I’m sorry I stepped outside for a smoke. I was very tired. ---- There is no _____ for this while you are on duty.

I listened to Dr．Wilson's lecture about the protection of wild animals, but I was unable to grasp its key     .

I haven't got a single ______from Aunt Mary since I last saw her.

Before the final examination, many students have shown ____ of tension. Some have trouble in sleeping while others have lost their appetite.