1. I can never tell salt from sugar. Today, I put salt in the tea ___ again.

2. Smoking is not good __ your health.

3. I don't have much ___ before the exam.

4. She asked me ____ at once.

5. We'll have to ___ this problem.

6. It was the most terrifying moments when the robber pointed the gun __ me.

7. I ___ God.

8. He was almost killed ____ a car accident.

9. You should ____ your glasses if you cannot see well.

10. He keeps postponing the plan ____ he is well-prepared.