indeed, I ________ to your birthdayparty if …—Forget it. I know you were out onbusiness.

The Hotel Al Arab ______ thefirst and only 7-star hotel in the world was designed in theshape of a sail of 321 meters.

Since you are _______ music, why not go to some live concerts during summer holiday

Unfortunately, his dog got __________ by the car

This question is too difficult， so __________ of them can work it out.