On a cold winter day, two men walked along a valley.Finally, they stopped at a grave（坟墓）, which was covered with thick  1  . The gravestone looked very  2  . The older man said to the young man,“This is your mother’s grave…”The young man  3  in the snow.
This   4 took place 20 years ago. At that time the most intense 5   had occurred here. Among the soldiers was Wilson. The strong  6  had made the forces retreat（撤退）. Wilson had headed forward in the snow with the troops in front of him. 7   , he heard a baby’s cry, which came from a hole in the snow. Wilson dug into the snow, and was immediately  8  by what he had seen.
In a mother’s arms, the baby was crying aloud. What was even more shocking was that the mother was naked. It turned out that they were   9   in this valley by the heavy snow. In order to  10  her baby, the mother had wrapped all her 11   around the child while holding him tightly in her arms. Though the mother had been 12   , the baby in her arms had survived. Wilson was deeply moved by such an unexpected  13  . He buried the mother and held the   14   baby to pursue（追赶）the   15  .
After the war, he took this child to the United States to   16  . When the child grew up, Wilson told him what   17   that year and took him to the valley to   18   his mother.
Kneeling at the grave, the young man burst into tears. After a while, the young man started to clean the snow on the grave. After cleaning the snow around, he undressed himself, 19     the grave, threw himself on the grave and spoke out the words from his heart,“Mom, how   20   you were for so many years!”

A．leaves B．snow C．dust D．grass

A．simple B．clean C．beautiful D．big

A．gave up B．stood up C．knelt down D．broke down

A．party B．strike C．accident D．story

A．speech B．whisper C．fighting D．argument

A．competition B．enemy C．disease D．storm

A．Fortunately B．Frequently C．Immediately D．Suddenly

A．shocked B．puzzled C．frightened D．annoyed

A．wounded B．trapped C．killed D．frozen

A．feed B．teach C．save D．hide

A．clothes B．blankets C．packages D．handkerchiefs

A．sick B．dead C．hungry D．lost

A．mark B．condition C．voice D．scene

A．growing B．crying C．running D．singing

A．troops B．mother C．path D．goal

A．show him in B．call him in C．bring him up D．pick him up

A．happened B．appeared C．started D．formed

A．depend on B．attend to C．care about D．look for

A．moved B．decorated C．covered D．dug

A．tired B．fearful C．lonely D．cold