● 自主质疑
1 concerning sth
2 concerned that
3 carry out one’s promise/duty
4 carry out an experiment on ( a dog)
5 carry off gold medals
● 合作探究
● carry on
● be heavily bombed
● a bomb explodes/goes off
● be on board (the plane/train/boat)
● go on board (the palne/train/boat)
