接受的撤回或修改的问题上,《联合国国际货物销售合同公约》采取了( )原则。
A.投邮生效 B.送达生效C.尽快撤回或修改 D.合理时间内撤回或修改
参考答案:B
— _____.
— Thank you, I certainly will [ ]
A. Happy birthday to you
B. Please remember me to your mum
C. Let me help you with your maths
D. Don't forget to post the letter