Ⅰ.单句语法填空
1．He talked about the teachers and schools that he visited a few days ago.
2．Some of the roads were flooded, which made our journey more difficult.
3．Natural resources are things that/which are found in nature and can be used by humans.
4．The German Football Team left the World Cup halfway, which made its fans heartbroken.
5．There are two reasons why I've decided to read one of his letters to the audience nationwide.
6．As you know from what I said, my mother takes a healthy diet seriously.
7．Sports, without which you may be weak, mean a lot in life.
8．Tell us the day when you are coming, and we'll prepare your room.
9．I bought a book which I think could help me with my grammar.
10．I'm looking for a store where organic vegetables are sold.
