The man waved to us,The man (was)my uncle,为什么用was?这是一道定语从句的题目,但是我不明白为什么要用was,

用定语从句合并：The man waved to us.The man was my uncle. The young man waved to the writer.＝He_____him. The man waved to us,The man (was)my uncle,为什么用was?这是一道定语从句的题目,但是我不明白为什么要用was, 用关系代词将下列句子连成复合句：the old man is a professor.he teaches chemistry in a college.the man waved to us.the man was my uncle.these are the presents.i bought them for my parents. the young man waved to the writer he( )hima salutedb greetedc signalled tod noddedWHY Do you konw the boy_______his hand towards us?A waves B waving C to wave D waved为什么不是A The young man waved to the writer.He______ him.答案为什么是CA saluted B greeted C signalled to D nodded the mother waved goodbye to her daughter 句子分析 They stepped down and waved to us.Be quiet.He ____ (step) in. The old man was very kind to us.(改为感叹句）___ ____ the old man was to us The young man waved to the writer.He him.A saluted B greeted C signalled to D nodde谁先回答并讲明理由,即可获得最佳答案(20分) Della stood on the platform ___ goodbye to her husband until the train was completely out of sight.A waved B to wave C having waved D waving The woman was fridly to us and so was the man.(同义句改写）The woman was fridly to us and the man How he persuaded the man ager to change the plan is interesting to us all The old man seems___something to say to us.A.to have B.has C.having Out of the crowded bus （B ）,who was dressed in a black suit and waved to a woman.A.a tall man in his thirties stepped B.stepped a tall man in his thirtiesC.did a tall man in his thirties step D.did a tall man step in his thirties就是那个括 帮忙看看这句话的语法对不对（英语）Let us waved wings towards the end Rainbow 不要敷衍我 When I got the bus, I ___(wave) goodbye to them.可以填had waved吗?如果填了,和waved有什么区别?如题