单项选择题
A．Why the umbrella was so popular in Europe B．When and how the umbrella was invented C．the history and use of umbrella D．the development of the umbrella
According to this passage, the umbrella was probably fi...
单项选择题According to this passage, the umbrella was probably first invented （）
A．in ancient China B．in ancient Europe C．in ancient Greece D．in ancient Rome
30（）A．advancedB．secondaryC．elementaryD．intermediate
单项选择题30（）
A．advanced B．secondary C．elementary D．intermediate
29（）A．inB．withC．fromD．by
单项选择题29（）
A．in B．with C．from D．by
