按要求改写下列句子。
1. The boy with a football's Tom's brother. (否定句)
The boy with a football .
2. Can the uncle in the car play rugby well? (肯定句)
The uncle play rugby well .
3. There is a bag of bread in the basket. (复数)
There some of in the basket.
4. Tom can do it like this. (祈使句)
it like this.
5. Please buy a toy for Lily. (否定句)
buy a toy for Lily.
6. There are some boys and girls in the room. (否定句)
There boys girls in the room.
7. herself , go , let , the , school , to , girl (组句)
Let go to school .
8. Are these ducks or geese? (回答)
geese.
9. What's wrong with your bike? (同义句)
What's with your bike? (同义句)
10. Miss Wang is a kind woman. (感叹句)
kind woman Miss Wang is!
11. There is one blue rubber in my pencil-box. (画线部分提问)
How blue there in your pencil-box?
12. I can see two markers under the desk. (画线部分提问)
can you under the desk?
Ti+2MgCl2．反应说明金属钛的活动性比镁 （填强或弱）．