— You should have prepared your speech for the meeting, Mr. Smith. — Yes, I know. But how could I _____ the meeting date fixed so soon?

What an unforgettable experience! I’ll write it down ______it is till fresh in my  memory.

Tom eagerly findished up ________ was left of the chicken pie.

Dr. Black comes from either Oxford or Cambridge. I can’t remember _____.

I can judge which part of China you come from         you open your mouth.