Do you know the boys each (have) a new modle plane.为什么用have不

Do you know （the boys each have）an apple这句话有错吗? Do you know ( ) a new model plane? ----do you have a plane to New York on March 10th? Do you know when to have a picnic?为什么用to have? They have a new each. Do you have new ( Do you have a new art room? Do you have a new classroom? Amy,do you have a new flat? Do you have a new ruler 翻译 do,class,two,a,you,i,have,new,know,friend,in,(连词成句) 16.—I hear we'll have a new foreign teacher soon.Do you know