--- Mum, I’m going to visit my aunt. What about a week? --- A week is too long. Try to be back in a ______ of days. 

This book gives a brief ________ of MoYan’s growth and details of his writing experiences.

Mr. Li is gaining _______. He has to do some exercises to lose _______. 

—You are always full of ____. Can you tell me the secret? —Taking plenty of exercise every day.

You should follow________, and take medince three times a day.