一、单项填空 在A、B、C、D四个选项中,选出可以填入空白处的最佳选项(本大题共15分,每小题1分)
1. ---Now I can’t find ______book about animals.
---Is it ______ old picture book on the desk?
A. the; a B. a; the C. the; the D. the; an
2. Peter was so excited _____he received an invitation from his friend to visit Wuxi.
A. where B. that C. why D. when