（ ）1. They were rowing boats ________ we were having dinner.
A. when B. as C. while D. during
（ ）2. I was very angry with John； he just _________ when I spoke to him.
A. isn’t listening B. hasn’t listened C. didn’t listen D. wasn’t listening
（ ）3.A true friend can see the pain in your eyes ___ everyone else believes the smile on your face
A. while B. because C. before D. until
（ ）4. Many Chinese [来自e网通客户端]