最佳答案：①They are my parents.他们是我的父母。②They are cleaning the classroom.他们正在打扫教室。③They were more interested in
①They are my parents.他们是我的父母。
②They are cleaning the classroom.他们正在打扫教室。
③They were more interested in their own pursuits .他们喜欢自己玩耍。
④They are old. 他们是年老的。
⑤Theyare ready to help others. 他们时刻准备好去帮助别人。
⑥Theyare the first people in China who once looked at the earth from the space.
他们是从太空看到地球的第一批中国人。
