Choose the best answer to complete the passage.

Diwali is one of the biggest and most important festivals in India. It usually (16) _________ between October and November. Nowadays this festival is celebrated by both Hindu and non-Hindu communities and lasts (17) _________ about five days. During the time of festival, Indians clean their houses and buy gold or kitchen utensils to help bring good luck. Then, they decorate their homes with clay lamps, which are the symbol of the inner light protecting them from spiritual darkness.

(18) _________ the busy days of preparation, family members gather together for prayers to their own goddess, delicious feasts and colourful fireworks (19) _________. They also visit their friends and relatives and (20) ___________ each other many gifts and best wishes.

It usually (16) _________ between October and November.