The hat borrowed from the dramacompany was so dirty that it required ________ thoroughly.
Who is the tallestboy —It ______ be John. Johnis of medium height.
Jack is one of those men who_________ best evening and the most difficult situations
The days are gone________you can breathe fresh，unpolluted air or drink clean, unpolluted water in the countryside.
Who teaches you Japanese–I teach _________.
