題目：抱怨和索賠信函
Mario:Yourbelovedteacherhasarrivedhere,Nina.
Nina:I______she______untiltomorrow.
Wearepleasedto_____youthat6000dozenofshirtsunderSalesConfirmationNo.C123,L/CNo.5678havegoneoffonS.S."Dongfeng"
We?_____?you?of?our?readiness?to?serve?you?in?this?end?all?future?business.
It’snecessary_________usallto________
