Ⅰ.根据句意及首字母补全单词 ①He is very l______ and doesn't want to do anything. ②How many c______ are there in the world. ③Children like playing computer in the v______ arcade. ④Go s_____(直走)along Center street,then turn left. ⑤We're an i_____(国际)school for children of 5-12. ⑥The e_____(大象)have long noses. Ⅱ.根据句意用所给词的适当形式填空.