ite
Afewyearsago，alittleboy，
otmoretha
eightyearsold，we
ttothestorehimself．While
hewasgoi
g（1）
home，adirtydogfollowedhim．Thedogwasweakbecauseithad
asoreleg．Afterhefou
dthedogwasbadly（2）
，heletitfollowhimhome．
Thelittleboysmothertaughthimtob（e3）
a
dfrie
dly．However，whe
thelittle
boyaskedhismothe（r4）
hewouldletthedogcomei
tothehouseor
ot，shehesitated
（犹豫）．