英语纠错，拒绝机器

中括号部分为改动处

Prof. Shen requested us [to] provide the price of A (follow the last Spec)yesterday. He told me D [had] not yet [arranged] delivery for [customer B] until [yesterday]. [So the customer B] lost patience for D.
[Prof. Shen asked me to quote to F and B separately.] So please kindly confirm whether the attached quotation is effective, [and] whether the price is right. What about the net price and [delivery] time for S?

真累啊 跟猜字谜一样

Prof. Shen requested us to provide the price of A yesterday(following the last Spec). He told me D has not yet arranged delivery to B until now. Customer had lost patience for D.
Prof Shen hope me prepare two quotations, and quote to F and B dividually. So please kindly confirm whether the attached quotation is effective, check whether the price is correct. What about the net price and lead time for S.

Prof. Shen requested us to provide the price of A yesterday(the same as that of last Spec). He told