有没有语法错误？多谢谢！Wewonder whether you received the samples we hav

有没有语法错误？多谢谢！
We
wonder whether you received the samples we have sent? And start to test print?
Have you received the samples which have beenposted to you for marking test on last Monday? The UPS#:howabout the test results?
Due to our customer in urging, your expediting this matteris essential, if all goes well, please report back to us.