1-5 ADCBA 5-10 DDDCB 11-15 ABCBD 16-20 BBDCA 21-25BACDA 26-30 BACBD 31-35 CABDC 36-40 BCADD 41-45 DCBBA 46-50 CADCB
四.完成单词
1.put 2.similar 3. veterinarian 4.repiring 5.lively 6.considering 7. homeless 8.sign
9.coached 10.fixing 11.translate 12.provide 13.programming 14.studying 15.fetch
五.动词填空
1.was built 2. to use 3.have become 4.be made 5. are getting 6.will be 7. are 8.be put
9. works 10.doing