When you enter a building, be sure to look behind you and hold the door open for someone coming through the same door. It is a common _______ in many cultures.
(A) process (B) courtesy (C) acceptance (D) operation
1 While many environmental organizations around the world are working to solve the climate
crisis,______ , some governments simply ignore global warming issues. (A) amiably (B) excessively (C) ironically (D) originally