1. Amy went to the supermarket to buy the ______ she needed to make a pizza.

2. Sally felt ______ when she heard footsteps behind her in the dark and deserted alley.

3. He sat down to enjoy the ______ environment. It was quiet and he felt calm.

4. Mei Li was very nervous. We could not understand what she was saying as she was ______ throughout the presentation.

5. The badminton player demonstrated ______ when he walked over to shake his opponent's hand after losing the game.

6. Please be a responsible driver. Do not drive ______ and always follow traffic.