1．How many ________ (represent)have been sent to the UN conference?
2．Generally speaking, almost all the kids are curious ________ how everything around them works?
3. ________ (approach)the city centre, we saw a stone statue of about 10 meters in height.
4．A new approach to ________ (teach) languages is being used here, and it has turned out to be very helpful to the students.
5．At the conference, political leaders from many countries promised to work together to defend the world ________ terrorism and other threats.
6．—Where is your sister now?
—She is in Shangdong University, ________ (major)in English literature.
