帮我做一下这几题英语题

16-20 CABCA
21-25 DADBA
26-30 DBDDC
31-35 ACDBC
36-40 DAADC
41-45 BABCB
46-50 BDACA
51-55 BCABD
56-60 CEADB
61.you 62.teeth 63.close 64.like 65.watch
66.too 67.big 68.before 69.instead 70.are
71.colour 72.summer 73.late 74.scientist 75.huge 76.tickets 77.yourself 78.another 79.library 80.behind

cabca

dadba

dbddc

基本应该全对吧，有个别不懂再问我。