oct. 12, 1999dar mary,i am vry sorry to har that you will soon start to rturn to london. although i am rluctant① to say good-by to you, it is th sacrd right② for you to go back to your mothrland and homtown. during th fw yars whn you hav stayd in our class w hav bcom bst frinds. and you hav givn m lots of hlp in my nglish studis. i should lik to say many thanks for you. in ordr to kp our profound frindship for vr i would lik to giv you a vry nic pn as prsnt. plas accpt it.i hop you will nvr forgt m and othr boys and girls of our class aftr you rturn to britain and oftn writ to us.yours sincrly,li ying