求答案Thousands of years ago,people did not know 36 to make a f

求答案Thousands of years ago,people did not know 36 to make a fire．
Thousands of years ago,people did not know 36 to make a fire．When it was very 37 at night,they could not sleep well．Sometimes lightning hit（打,击） a 38 and started a fire.At first people were both surprised and 39 to see the fire．They were afraid to go up．Later a few 40 men took some of this fire and made a fire near their homes．They used the fire to keep them warm and to cook food．When they had a fire,they did not let it 41 burning．If it stopped,they could not start it again．Maybe they had to 42 for a long time,sometimes for 43 ．Later they 44 how to make a fire with pieces of wood． Now we have matches,we can put them in our pockets and make a fire when we want to make it．But we have to be 45 with fire．36．A．what B．how C．when D．where37．A．cold B．hot C．warm D．cool38．A．person B．mountain(山) C．field D．forest(森林)39．A．glad B．afraid C．ready D．tired40．A．very B．brave C．sad D．happy41．A．stop B．make C．be D．start42．A．work B．play C．wait D．1ive43．A．minutes B．hours C．days D．years44．A．forgot B．decided C．1earned D．told45．A．angry B．pleased C．careful D．busy