M：Hi，Bob.Do you like reading？

B：Sure，Mary.（1）　 　

M：I like reading too，but you need to have a rest after an hour or so.

B：（2）　 　 I often read for about an hour，and then I try to think of something else to do.For example，I sometimes look out of the window to relax.But after a while，I usually decide to go on reading.

M：（3）　 　You must be careful not to hurt your eyes.

B：OK.Thanks for your advice.

M：（4）　 　

B：The Adventures of Tom Sawyer.It was written by Mark Twain. （5）　 　

M：So they are.It's also one of my favorite books.

A.What a pity it is! B.Yes，I agree. C.The stories in the book are enjoyable and full of fun. D.Who are the main characters in the story？ E.I spend most of my free reading. F.What's your favorite book？ G.It's good to read，but not all the time.