David can f____his homework before seven o′clock every evening.

David can f____his homework before seven o′clock every evening. you can c( ) david David Archuleta的《You Can》 歌词 Can you___and ask Jenny and David what can David——?对play the violin提问 连词成句：can,David,for,we,call,Dave,short. You can ask David to it 哪有错, John can skateboard two times faster than David.(保持句意不变)John can skateboard two times_more quickly than _ David. they can keep us h( ) It can h them relax. David is f____ today.You can ask him to go with tou. Can l make friend,make friends,to make friend,to make friends with David? David can play the piano对(plan the piano)划线部分提问 young himself David he so look is that after cant把他们组一下句子, David,you can go and clean the blackboard now.改为否定祈使句 1.david can (play the piano) 对括号里面提问 what can David do 这样回答得理由1.david can (play the piano) 对括号里面提问 what can David do 这样回答得理由2 Are there any ducks?做肯定回答Yes there are 这样回答得理 David,can you_____yourself?—of course,I canA.dressB.put onC.wear D.dressing David can piay the piano.(改为一般疑问句)What can david do?David can piay the piano.(改为一般疑问句）What can david do?像类似的改为一般疑问句,该如何改?有什么快速的方法?该注意什么?相关的语法知识?