The president is to give a formal __ at the opening ceremony.

WhenIamconfrontedwithsuchquestions,mymindgoes__,andIcanhardlyremembermyowndateofbirth.

He pointed at the new car and asked, "___ is it? Have you ever seen it before?"

Theclockhasstopped.I________getitgoagainandsetthealarm,orIwillbelateagaintomorrow.

When I am confronted with such questions, my mind goes __, and I can hardly remember myown date of birth.