The headmaster has retired but no one knows who will________him in the post.
I wonder ____ we can solve this hard problem.
---Would you please give him the paper the moment he ____?--- No problem.
____ is mentioned above, the number of the cattle here has been limited to 200.
--- Any phone call for me?--- Yes.____ telephoned 10 minutes ago.
"No, no ", he whispered,____ talking to himself.