Join the following sentences to make one complete sentence without using 'and ', 'but ' or 'so ' :
i)We had better get ready now. We may not have time to reach the airport.
ii) The debating teams were very happy. Both were declared joint champions.
iiI) Mr.Liew has been sick. He has been so since he came back from Japan.
iv) He escaped from the prison. He looked for a place where he could hide.