用方框中所给单词的适当形式填空。每词限用一次。

talk, two, difficult, pick , game

小题1:Goldilocks walked in the forest and    ▲    some flowers.
小题2:As a good student, he never plays computer    ▲   .
小题3:In America, Mother’s Day is on the    ▲    Sunday in May.
小题4:The first Chinese railroad was    ▲    to build because it was in the mountains and there were many bridges and tunnels.
小题5:Every time I heard the other students    ▲    and laughing, I felt my heart break.