【题目】用括号内单词正确形式填空。
【1】It is my ________ (12) birthday today.
【2】This book is ________ (good) than that one.
【3】Sam ________ (not clean) his room yesterday.
【4】There ________ (be) some water on the floor.
【5】Look, they ________ (have) an English class.
【答案】
【1】twelfth
【2】better
【3】didn’t clean
【4】is
【5】are having
【解析】
略
