[答案]
(1)Whatisthat/this(2)Doyoulikecollectingpostcards(inyourfreetime)(3)Whendidyoustartcollectingpostcards/them(4)Ilikeplayingtheguitar(5)Yes,Ican/Sure/Ofcourse
[解析]
(1)根据"It's a postcard"(它是一张明信片)可知此处询问对方这是什么。故填What is that/this。
(2)根据"Yes,I like collecting postcards in my free time."(是的。)可知此处询问对方是不是喜欢收集明信片。
(3)根据"I started collecting them three years ago."(我三年前开始收集它们。)可知此处询问什么时候开始收集的。
(4)根据"Great!I want to learn to play the guitar."(很好。)可知此处回答自己喜欢弹吉他。
(5)根据"I can teach you every Saturday afternoon"(我可以每个周六下午教你)可知此处是同意教对方。故填Yes。
[点评]
本题考查了"请求/提供帮助   ",属于"基础题",熟悉题型是解题的关键。