45.你知道我在哪能买到邮票吗？

　_____________________________________?

44.她现在正面临一个什么特殊的挑战？

　What is one particular chanllenge she is ________?

43.你能做一下自我介绍吗？

　Could you please _______ _______ ?

42.我们应该利用晴朗的天气去远足。

　We should _______ _______ ________ the fine weather to go hiking.

41.他喜欢狗，而不喜欢猫。

　He _______ dogs _______ cats.

　Mother: Could you tell me if there is a good museum in this city?

　Clerk: ______26______? History? Science? A children's museum?

　Father: How about history? I like history museums. They are fascinating.

　Girl: Oh, Dad! ______27_______. Let's go to science museums.

　Boy: ______28________? We always go to science museums. I don't like go to science museums. I want to go to a children's museum. They are more fun.

　Clerk: ______29________? There are a lot of fun things for children there. You can learn all about the history of computers, as well as learn about science.

　Family: ______30_______! Let's go to the computer museums. Thank you.

　Clerk: You are welcome.

25.I think Singapore is a great place _______ new food.

　A.for try 　　 B.of trying　 C.try　　 　D.to try

24.I prefer reading books _______ playing computer games.

　A.with 　　　B.to　　　C.about 　　D.for

23.When Jane was two, she could _______ read _______ write.

　A.both; and 　　　　　 B.either; nor

　her; nor 　　　　D.either; or