英文问题求解这么解释对吗?there were long thin wires attached to metal sp

关于句子结构分析问题The tubes were attached to a long stick which help 求解几道英文化学题1）The binding energy of electrons to copper metal i 用long long ago,there were some aninmals写四句话中文加英文 There was/were问题 last year,there were tow million people live in thin how long were you there怎么回答? Long long ago,there were three bears.(改为同义句) visit sb./sp.还可以这么表示：（ ）a visit to sb./sp.括号里应填什么? 英语翻译歌曲中的句子 上句there were no strings attached when i saw you l 1.Long long ago,there were some animals⋯.2.Long long a long time haven't see you这么说对吗? how long is the time 这么说对吗?