XVII. Put the verbs in brackets into the Past Simple or Past Progressive tense. 1. When my uncle (come) ,we (water) the plants and flowers in the garden. 2. Thu (talk) to her friend, Hoa, on the phone at 8 o'clock last night. 3. Lan (practise) the piano while her sister (read) comics at 7 o'clock last night. 4.The monkeys (climb) up the trees when we (visit) the zoo yesterday morning. 5. Ba (talk) with his classmate when the principal (enter) their classroom. 6. Last night I (make) a cake when the lights (go) out. 7. While I (cross) the street,I (step) on a banana skin and (fall) heavily. 8.It (begin) to rain when I (plant) some flowers in the garden. 9.When I (arrive) , the teacher (write) on the blackboard. 10. When they (walk) down the stairs, they (hear) a strange noise. XVIII. Rewrite the sentences, using “the past continuous” and “while” or “when”. 1. We were having dinner and they were listening to the radio.  We were ............ 2. She was sleeping and the fire started.  The fire ..................... 3. It began to rain and what were you doing?  What .................... 4. The farmer started whistling and he was ploughing the field.  When ..................... 5. You came and what were they doing?  What ..................... 6. She came and what was happening?  What was ......................... . 7. She was reading a book and the man came in.  The man .......................... 8. They were working in the field and the volcano erupted.  The volcano ......................... 9. The ship was leaving the harbor and the lava hit the town.  The lava .......................... 10. The headmaster was going to his car and someone hit him on the head.  Someone hit the headmaster .................................