It’s foggy today. I’m not sure the highway will close soon. Let’s set off earlier.
—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 .
“Don’t _____ to strangers on your way home.” Mother often_____ to me.
—How are you getting on with your study,Tom?—So far,I____very well at school.