31. (A).It is the first time for me to come to Beijing.

　 (B).It is the first time __________ __________ __________ to Beijing.

30. (A).Be careful when you cross the roads.

　 (B).Be careful __________ __________ the roads.

29. (A).The house is owned by my elder brother.

　 (B).The house __________ __________ my elder brother.

根据A句的意思，在B句中的空格上填上适当的单词， 使两句意思相同或相近。(共5小题，每空1分，满分10分)

28. (A).The mother said, “Tom, clean your room.”

　 　(B).The mother __________ Tom __________ clean __________ room.

15.　 China has many c___________ relics, which are great wonders in the world.

14.　 Mandela was so kind that he was always ___________(愿意) to help the poor black.

13.　 I wonder how much the plane ___________(费用) is from Guangzhou to Hong Kong.