- Can you go to row a boat with us this afternoon?- I'm afraid not. I_______ look after my little sister because my mother is out.
—_______go to the cinema together with me ? —Good idea .
Orange represents ________. It can cheer you up when you are feeling sad.
Sam said sorry to his mother , so she _________.
Dr. Ma used to __________in a hospital.
We _______ work very quickly.