最佳答案:1.howlong have you been known?2.i heard that the son of neighbor has been into a
最佳答案:1,This is an interesting book.2.(应该是Ms)Mr and Ms Green have two daughters and a
最佳答案:这位工程师做了如何使用这台计算机的演示.(demonstration)the engineer did a demonstration of how to us
最佳答案:1.这是一本有趣的书This is an interesting book.2.GREEN夫妻有2个女儿,1个儿子The Greens have two dau