Mr. Green ______ goes shopping, because he is ______ busy working.
Thank you for ______ me go on the trip ,Mr Wu.
We talked _______ until Mr Wu asked us _______.
What did the teacher ________ the students to _______ at the class meeting yesterday?
Shang Hai is larger than _______ in Jiang su .
This is ____ song I told you about yesterday. Isn’t it _______ beautiful one?