<正>Ⅰ.单项填空从A,B,C,D四个选项中选出可以填入空白处的最佳选项。1.——What are those on the______around?——The______that have fallen off the big trees.A. roofs; leaves B. rooves; leaves C. roofs; leafs D. rooves; leafs2. The diamond isn't mine. It______.A. is belonged to him B. is belonged to his