Do you know the man _______ is talking withour English teacher—Oh, he must be Lin Tao’s father. He was lookingfor Lin Tao just now.

ou are ,your life will change!

t the friction betweenfeet and the ground, people would ______ be able to walk.

Educationists across China are experimenting and________ new assessing systems appropriate to assess(评价) students’ performance in school.

Spring Festival is______wonderful time for people to visit friends and relatives.