VI. Complete the sentences using the correct relative pronoun or relative adverb. (What, whose, where, wnen, who, why…..) e.g. Helen,   whose  favourite  hobby  is  fencing,   also  loves  swimming.1) A doctor is someone helps treat sick people.2) She explained she did.3) This is the park people come to play chess.4) 1999 was the year they competed in the skateboarding tournament.5) She is the person house is for sale.​