Thank you for attending my birthday party tonight — ________

The money will be used __________ the school with new computer equipment.

They’re arguing on who, on earth, is known for the great discovery penicillin, an effective bacteria killer.

Neil Armstrong was the first man____ on the moon in July 1969.

—What’s the matter with Philips?—Something must have happened to him. He left home three hours ago, but ________ at the party!