---He _____ me $ 50 for my MP3.Shall I seel it? ---Why not?Your MP3 is out of date and it isn't worth so much.
Professor Smith is said _____ another important discovery in chemistry.
I _____ the truth of your remarks, although they go against my interests.
Many teachers were praised at the meeting, Mr. Zhou _____.
–Did you get your pay? –Yes, I remember _____. But I forget the exact amount.
With lost of trees _____, the house is not easily found.