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. They have no idea at all ________.
A. where he has gone B. where did he go
C. which place has he gone D. where has he gone
2. Your composition is _________to your brother’s.
A. the same B. identical C. different D. equal
