问题 填空题 看图画,从方框中选择合适的单词补全下列句子。are is sing play cry laugh1. What is he doing?He is ____________ing.2. What is she doing?She ____________ ____________ing. 3. What are they doing?They ____________ ____________ing. 4. What is she doing? She is ____________ing. 答案 1. sing 2. is, cry 3. are, play 4. laugh