问题详情

wrong with it What welcome right
are about please All is do
A: Fill in the form. please.
B: 【9】【10】. May I use your pen？
A: Oh. sorry. Something【11】【12】【13】【14】.
B: 【15】【16】that one？
A: Thai one is OK.
B: Could I use it ？
A: Yes.【17】【18】.
B: Thanks a lot.
A: You【19】【20】.
(27)请帮忙给出正确答案和分析，谢谢！