How happy the animais are?

How () happy they are! Look ! How ? (happy) the children are playing in the park . How happy the people are!=____ happy ___ they are Listen!The children are singing orer there .How happy they__ how happy the children are的同义句 How happy the kids are!They have nothing _______. How happy the people are!(改为同义句) How ___ the girls are playing!A.happy B.happier C.happy ly D how happy you are翻译 how happy they are playing! How are you today?Are you happy? We are lucky to live in the 21st ce__ .How happy we are!