1：climbed~invented~watched~help 哪个单词是不同类的词?

1：climbed~invented~watched~help 哪个单词是不同类的词? the two brothers w(--------) invented the airplane climbed是什么意思? be invented invented asset I visited Maofeng Mountain two weeks ago,I left the hotel at 7 o'clock and arrived at the (1)f.of the mountain an hour later.On the bus ,i happened to (2)m.Chen Zhi,an old friend of mine .we climbed up the mountain happily togeher.on our (4)w.to the climbed 怎么读 successfully climbed是什么意思? successfully climbed是什么意思 The Indians first invented and developde the 1 to 9 system of nembers. (1/2)the calulator was invented after the computer.同义改写the calulator wa unit 9 when was it invented section a 1b 听力翻译(快） discovered、invented是什么意思 who invented the bicycle when was bicyle invented who first invented TV I climbed a mountain是什么意思 hill,they,climbed,the,up (.)