Tony Tang, a resident of Shanghai, wanders among the stalls(摊位) of foreign universities and middle schools at the Shanghai East Asia Exhibition Hall, looking for an ideal 1) _____ for his 13-year-old son to study abroad. "My son is a student of the 2) _____ Shanghai Foreign Language School. He spends all of his time on his studies and the school puts great 3) _____ on its students. Our family hopes to send him to a school where he does not need to worry so much about his 4) _____ scores,"the man