Cathy wonders if her teacher _______ to her house. If she _______, what will she say to her parents?
I wonder ______ you would like to go hiking with us this weekend.
Could you tell me ?
— Kitty, do you know ______? — Sure, about forty minutes.
People in Yancheng are proud of ________ they have achieved in the past thirty years.
The students came to ask the teacher___________.