Nooneknowswhythedino的精选

问题详情：根据句意及括号内所给汉语提示填空。1．Nooneknowswhythedinosaurs            （消失）.2．Freddoesn’tworkas           （细心地）ashisbrother.3．Whenhiswifeandtwolittlechildrenlefthim,hew...