Though I ____ to go abroad, I changed my mind and decided to stay with my family.
_____more and more students show little interest in her class makes her puzzled.
Social attention should be paid ________our earth from________.
---What did your parents think about your decision?---They always let me do_____ I think I should.
We don’t permit _______in the classroom; that is to say, students aren’t permitted ________in the classroom.
It was on October 3, 2011 _____ a big fire happened in Beijing, _____ was a great shock to lots of people.