having lived abroad foryears, many Chinese still _________ the traditional customs

Han Han is a popular writer. His new book _________ last September.

want help — money or anything, let me know,_______ you

Mr. Black used to be busy. But now he’s tired and , so he has plenty of time to exercise.

With the fresh water ____ short, we human beings are facing the danger of dying from thirst at any time. [ ]