—Look at the boy running on the ground. Is it Davis?—It ______ be him. I saw him go to the teacher’s office just now.
—Dad, do I need to bring a raincoat with me ? —I’m afraid you .
I didn’t know __________. Can you tell me?
---The students sitting at the back can’t see the blackboard________. ---Why not_________ them move a little forward?
Ann was ____ a good mood and kept ____ jokes to us.
________good advice! It’s so helpful to us.