My younger sister is always but she also likes listening to others quietly.A. outgoingB.

问题补充：

My younger sister is always but she also likes listening to others quietly.

A. outgoing

B. angry

C. calm

D. friendly

答案：

(答案→)A. outgoing

B. angry

C. calm

D. friendly

解析：A. 乐于助人的，外向活泼的 B.发怒的 C.冷静的 D.有好的。句意：我的小妹妹总是外向活泼的，但是她也喜欢静静听别人说话。故选A。