谢谢
group31 came , was used , politly , safty , us
group32 alone , to act , really , sitting , helpful
group33 built , numbers , students , surprised , discussed
追问group34 your , help , cookies , head
group35 satisfied , follow , pollution , usually , reported
谢谢
本回答被提问者采纳Group 29
3. giving 4. regretted 5. safely
Group 30
loudly 2. keeps 3. natural 4. doing 5. to see
Group 31
come 2. used 3. politely 4. safety 5. ours
Group 32
alone 2. acting 3. really 4. sitting 5. helpful
Group 33
built 2. numbers 3. students 4. surprised 5. discussed
Group 34
1. prefers
追问Groupe 34
2. your 3. help 4. cookies 5. heads
Groupe 35
1. satisfying 2. follow 3. pollution 4. usually 5. reported