及时体验 巩固提升 ⅰ.单句语法填空(不多于3个单词) 1．the enlarged school campus is three times as ________ (big) as the old one. 答案 big 2．she writes ________ (carefully) than she did two years ago. 答案 more carefully 3．the more difficult the problem is, the ________ (careful) we should be. 答案 more careful
