_______ sunny day it is! It’s really good to go out for a hiking.
---Did you get there by _____bike? --- No, I took _____taxi.
—Why don’t you divide the students into six groups? —_________.
Mr. Green didn’t post the letter _________. He asked his son to do it for him.
—Is Tom still in New York or already back at home? —I’m not sure _________. I’ll call to make sure.
—When will the party begin? —When all the people invited .