3、Is it okay if I come by myself?我一个人来行吗?
5、IS she happy? 她快乐吗?6、Is she a pupil? 她是一个学生吗?
She is my teacher.她是我的老师。——Is she your teacher? 她是你的老师吗?She is a smart girl.她是个聪明的女孩。——Is she a smart girl?她是个聪明的女孩吗?She is reading books.她正在看书。——Is she reading books?她正在看书吗?She is my best friend.她是我最好的朋友。
13.What! Is that true?啊!那是真的吗?
1、Sandy and Sue are going to school.2、John is reading a book.3、We are waiting for you outside the bookstore.4、The boy is playing basketball.5、The children are singing under the tree.6、My sister is looking after the baby.7、She is listening to music.8、I am doing ...