1.How old are your parents? What..................................... 2.How many classroom are there in your family? How many............................................................ 3.What are these people? What are.................................... 4.Mrs.Xuan has a son, Duc Mrs Xuan................................................... 5.His family has four people There are.................................................... 6.Mr. and Mrs.Minh has a daughter,Lan Mr. and Mrs.Minh................................................. 7.My mother goes to work at seven thirty My mother goes to work.......................................... 8.Mai's books are new Mai...................................... 9.The lamp is in front of the stereo The stereo.......................................................................