参考答案
1-5CBCCC 6-10CCADD
11-15CBBDB16-20AABDB 21-25CACAD
26-30BDADB
31-35CBCAD 36-40CDDBC 41-45BACAD
46-50CDCBA
51-55 celebrations; planting; on; brightest; put
56-60 happily; themselves; lucky; is; to welcome
61-65FECDG
66. I improve my writing by writing letters .
67. I like the races best.
68. Could you please tell me how to get to the flower shop
69. Did she use to have straight hair
70. He used to wear glasses.
