—Our government is doing _______ to protect the environment.—That’s great. 

 —Miss Li has taught ____ English for about 3years.—You are lucky. ____ is a very good teacher.

 Upon arriving home from a business trip, dad asked mum about my academic performance at high school and then _____ of my little sister, who was in junior school.

---So can I ask you a few personal questions?---No problem. I like ________ when people are open and direct.

 ________ in my life impressed me so deeply as my first visit to Qinghai Lake.