... Tan Thoi Secondary School Teacher: Nguyen Thien Hanh 12. the postman came, I was watching TV A When B While C During D At 13.She looked very busy ... afternoon, I was watering the plants in my garden when it A rain B rains C is raining D rained 18. Yesterday morning while my mother the museum, I went shopping with my sister A visits B was ... that A he is waiting for me B he waits for me C he was waiting for me D he'll wait for me 28. Tet is an occasion for everyone a good time with their family A have B to have C having D...