The __________ of X-rays in 1895 was an important development in the history of medicine.

Would you please __________ the text until you have finished the exercise?

I wish I could go with you on the trip, but I __________ no time.

I __________ you how to do it; why didn’t you ask me?

Let me tell you what to do next __________ I forget.

__________ is not known if he will come.

If I had studied hard in the university, I __________ things easy now.

__________, a policeman came to the scene.

How much would you __________ me for repairing my bike?

The theme park is __________.