行为人没有约定或法定的义务,为避免他人利益受损失而进行管理或服务所实施的行为是______。
A.侵权行为 B.不当得利C.无因管理 D.违法行为
参考答案:C
—What did Lingling say just now?
—She told me that she ________ her homework then. [ ]
A. do
B. was doing
C. is doing
()既可单饮,又可加牛奶和糖饮用。
A、花茶
B、绿茶
C、红茶
D、黄茶