【2009真题】4. ______that this region was so rich in natural resourc
2023-12-01插本2008-2016年英语真题（带解析）
【2009真题】4. ______that this region was so rich in natural resources.
A.Little he knew
B..Little he did know
C.Little did he know
D.Little he had known
正确答案是C
