Read and choose the correct option (marked A, B, C or D) to complete the following passage. (2.0 points)

Nam and his friends (9) ________ have a trip to Phu Tho Province next summer. At first, they are going to Viet Tri (10) ________ car and they are going to stay there in two days. Then they are going to travel to Tam Son. They are going to visit a (11) ________ of places of interest and some schools there. They are going to (12) ________ students in the schools practice speaking English. Finally, they are going to come back to Hanoi from Phu Tho.