欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

下列各句中均有一處錯誤，請指出并改正

1.He asked these students volunteer in the after-school study program. ___________

2. My uncle wants to help the poor people in the city by set up a food bank. ___________

3. Some of my classmates volunteer to sing for the old people to cheer up them. ___________

4. What do you think could I do for you? ___________

5.Be a volunteer is great. ___________

My uncle wants to work in a factory as a _____.

        A. teacher      B. worker       C. doctor        D. waiter

My uncle wants to work in a factory as a _____.

        A. teacher      B. worker       C. doctor        D. waiter