Are David and Liu Tao good friends?

Are David and Liu Tao good friends? mr liu and mrs liu are both teachers.提问 Liu tao and I are ( )different classes. David and Tony are brother,and these are()parents 紧急 Liu Tao and David say s____and leave there quickly.首字母填空 There are some similaities between Liu Li and Liu Ying.Liu Li and Liu Ying are _ _ in some ways. 改错：David and Helen are sister and brother 用适当的介词填空There are some similarities ____ Liu Li and Liu Ying There are some differences_______ Liu li and Lin ying 连词成句Liu tao,where,Mike,are,and both david and l are football fans的否定句 what are David and Mary doing?---They__(have dinner) BOYS.TIM.THOSE.AND.DAVID.ARE.(连词成句) mum,they are ( )classmates rose and ( )brother david behind,treeFreda,are,and,the,David连词成句 什么are david,wang bing and mike?填空 什么are david,wang bing and mike填空 David and I are form different countries.David and I ___ ___ in the same country.同义句转换