42. What does the author think was the hardest in preparing for his Italian trip?

　　 A. Buying cheap airline tickets to Italy before the traveling

　　 B. Getting a visa without an invitation from the Italian consulate.

　　 C. Booking a comfortable hotel on his own in Rome.

　　 D. Solving the ticket problem far in advance.

41. Why does the author want to go to Italy again?

　 　 A. He had a great time there.

　　 B. Italy has a lot of attractions.

　　 C. His friend invited him there.

　　 D. He didn't stay in Italy long enough.

39. who　 引导定语从句，先行词是those。

38. advice　 一条建议，此处应用名词。

37. If　 前后是条件关系。

36. their　 指代前面的words。

35. to memorize　 不定式作真正主语。

34. A　 好的记忆力有助于学习，memory为可数名词。

33. in　 在语言学习方面没有容易取得成功的办法。