He always thinks of _______ he can do more for the people.
Do you practice ______ English every morning?
----Boys and girls, will you please ____ the park this afternoon? ----OK.
--Excuse me, sir. Look at the sign on the wall “NO ____”. --Oh, I’m sorry. I’ll never do it again.
John asked David how ____ Christmas.
Sally had no pen ____ yesterday morning.