IV . 根据短文内容,用恰当的反身代词填空。 Yesterday my sister Tonia and I went to the shop to buy (1)________ some ice-cream. On the way home, Tonia fell down and hurt (2)________ and I cut (3)________ on some broken glass. When we got home, my brother and his friends were enjoying (4)________ playing in the garden. My brother shouted, “Look at (5)________”, and he began to laugh at us. I couldn’t know why. When we looked at (6)________ in the mirror, we saw why. Our faces were covered with ice-cream.