Education
p.1 TRIAL 1 エクササイズ (1) ① A boy is walking between his parents. ② A boy is walking beside his father. ③ A boy is walking behind his parents. ④ A boy is walking next to his mother. (2) ① A boy is climbing up the mountain. ② A boy is helping the woman to climb up the rock wall. ③ A woman is supporting the boy who is climbing up the wall. ④ A woman is watching the boy from a distance.