6. Complete the second sentence so that it means the same as the first, using the word in bold. Use between two and five

1. I\'m not tall enough to see over everyone\'s heads in a crowd. I\'m too short to see over everyone\'s heads in a crowd. 

2. She was very tired and she couldn\'t play tennis. She was too tired to play tennis. 

3. You walk too fast for me! You don\'t walk slowly enough for me! 

4. The box was very heavy and he couldn\'t lift it. The box was too heavy for him to lift.

5. He writes too badly to be a journalist. He doesn\'t write well enough to be a journalist.

6. They were speaking very quietly and I couldn\'t hear what they were saying. They were speaking too quietly for me to hear what they were saying.