The native Canadians lived in()with nature, for they respected nature as a provider of life.

单项选择题I felt so embarrassed that I couldn't do anything but()there when I first met my present wife.

A. to sit
B. sitting
C. sat
D. sit

单项选择题When we started criticizing his work, he saw red. The underline part means ().

A. very angry
B. very upset
C. very sorry
D. very sad