1. Ken and I _____ best friends. We always play together.

2. The chef added _____ cheese to the pizza.

3. Last night, my brother _____ off his bed and injured his foot.

4. "Eat healthily _____ you may fall sick," said Mother.

5. We should not look directly at _____ sun as the strong rays will hurt our eyes.

6. Ali is playing with his new toy. _____ is having fun.