( ) 20.________ they finished their homework,they went to be

( ) 20.________ they finished their homework,they went to be they went to play tennis after they finished their homework. they finished their homework they went to play tennis after they finished their homework的 they went to bed after they finished their homework.（同义句） They went to play tennis after they finnished their homework They went shopping after they finished their homework.用not.u They went home after they finished their homework .(改为同一句） They went home after they had finished their homework.（用not. ( )They have finished their homework,and_______. They must have finished their homework,_______. (1/2)They went to have supper after they finished their work