问题补充：
The students from Xinjiang enjoy staying in our school because everyone is to them..
A. friendly
B. gently
C. happily
D. politely
答案：
(答案→)A. friendly
B. gently
C. happily
D. politely
解析：词义辨析。friendly 友好的；gently 温柔的； happily 高兴地；politely礼貌的。句意：来自新疆的学生喜欢呆在我们学校，因为每个人对他们都很友好。故选A。
