大师作文网书上3a填空题
来源：学生作业帮 编辑：大师作文网作业帮 分类：英语作业 时间：2024/10/13 09:15:22
解题思路： 主要练习现在进行时态 动词的构成是：am/is/are+doing 一般现在时态：如果主语是三单形式，动词加s/es. 如主语不是三单形式，动词用原形。
解题过程：
1.am doing do
2.is playing plays
3.Is studying is studying
4.are making make
5.Is talking talks
最终答案：1.am doing do 2.is playing plays 3.Is studying is studying 4.are making make 5.Is talking talks
解题过程：
1.am doing do
2.is playing plays
3.Is studying is studying
4.are making make
5.Is talking talks
最终答案：1.am doing do 2.is playing plays 3.Is studying is studying 4.are making make 5.Is talking talks