Mr.jones and his wife are looking at them.这里为什么用ARE 和AT.特别是AT,为什么不直接去掉AT?

mr and mrs jones livein``````` Mr.Jones and his wife are looking at them这句中are的作用Mr.Jones and his wife are looking at them当中are是表示Mr.Jones and his wife的复数,还是表示looking at them的复数 英文纠错Mr Jones was very angry with his wife,and she was very angry with his husband. Mr.Jones is with his family.对Mr.Jone提问 mr jones mr jones and mr brown work in the sme office. one day mr . jones says to mr brown.的意思. 如何翻译Mr Jones and Mr Brown worked in the same office.One day Mr Jones said to Mr Brown Mr Jones is with his family标出词性 mr.jones is with his family 可以改成mr.jones with his family are walking over the bridge 吗. 文章mr.jones argued with his wife .,mr.jones was angry with his wifeand这是开头 .Mr.Jones was very angry with his wife and she was very with her husband,too.Mr.Jones was very angry with his wife and she was very with her husband,too.For a few days they didn't say to each other.One evening Mr.Jones was very tired when she came ba Mr.Jones and his wife （are） looking at them 和Sometimes he and his wife watch televsion.区别：Mr.Jones and his wife are looking at them 和Sometimes he and his wife watch televsion区别：为什么前面一句看要用系动词are,后一句 Mr Jones and his wife and looking at them,Sally is looking at a big ship,句子中的各词性是? He and his wif are having dinner now 该为用现在完成时的句子 如何把“there are some boats on the river.”和“mr.jones and his wife are looking at them.”合成一句话 Mr.jones and his wife are looking at them.这里为什么用ARE 和AT.特别是AT,为什么不直接去掉AT? 英语翻译Mr.Jones is very keen on punctuality .His lessons start dead on time and you get into terrible trouble if you're late.start dead on time 对Mr.Jones提问