商务英语写作 改写

第二段的
1.please give us the information,so that we can make a order for you.
2.it is so pity that we can’t accept your proposal.
3.could you tell us the names and addresses of 3 witnesses who you claim.
4.the help from you will be high appreciated.
5.could you provide me more clear letter.
6.the statement will be praised by the end of next week.
7.please send payment by 8 June.
8.we regret that goods havenot be ready by june 4th,so we can't deliver them until june 8th