55. I think Mary is __________(good) girl in our class.

54. Betty is _________(friend) to old people.

53. He is always 　　　　　　(will) to help others.

52. How to take good________ (careful) of my parrot is a problem.

51. I have two dogs ________ (brush). I can lend you one.

Peter:　 ____46_____?

Simon: I like dogs best. ____47_____?

Peter:　 My favourite pet is goldfish.

Simon: Why do you like goldfish?

Peter:　 _____48_____.

Simon: But it isn’t easy to keep goldfish. Why not feed a dog?

Peter:　 I don’t like to have a dog. _____49_____.

Simon: Take good care of our pets, and try not to make trouble.

Peter:　 ____50_____.

A.　　 Because I like watching it swim around.

B.　　 What about you?

C.　　 I agree with you.

D.　　 What’s your favourite animal?

E.　　 For it often makes a lot of noise.