一________does your father go to work every day?一He goes to work by bike.
—Can you tell me _____when the teacher came into the classroom? —Sorry,I don’t know.
The teacher said that _____ of the boys would take part in the fashion show.
—______ did your sister leave China? —She______ for three years .
—How are you getting on with your study,Tom? —So far,I____very well at school.
The smile to the teacher’s face showed she was_____with us.