并列题名：Island that can sing Island that can sing 并列题名：Of thee I sing 并列题名：Classroom that can fly 并列题名：And all the trees sing 并列题名：I didn't know that whales can sing 并列题名：The hand that feeds you 并列题名：Listen to the caged bird sing 并列题名：I love to sing 并列题名：Tools that can save a life