It is still under discussion _________ the old bus station should be replaced with a modern hotel or not.

He left home without saying a word, and _______ worries many people and is to be found out.                                

It still remains a question _____ life exists on any other planet in the solar system.

_____ John won a gold medal in the English competition really excited his family.

______ wants to stay in a hotel has to pay their own way.

____ Barbara Jones offers to her fans is honesty and happiness.

It is obvious to the students ______ they should get well prepared for their future.

_____ life exists on any other planet in the solar system still remains a question.

______ really makes “Gangnam Style” popular is not the lyrics, but the part of “Horse Riding Dance”.

Jim told us all that _______ he said  at the meeting was right.