It’s kind __________ Yao Beina to donate her corneas (眼角膜) _________ three people in need.
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.
The smile to the teacher’s face showed she was_____with us.