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use the modal verb must。 1. My father _________ some washing when I got home yesterday evening. (do) 2. He ___________(help) his father on the farm the whole afternoon last Saturday. 3. He said he __________(try) to draw a plane on the blackboard at that time. 4. I ___________ (cook) a meal when you rang me. 5. They _____________(watch) a football game from 7 to 9 last night. was doing was helping was cooking was trying were watching Preview the words and expressions in Lesson 23. Fairy Tale Comic Strip: Write a short fairy tale in a ic strip style. Make sure your story has the followings: beginning, middle and end。 《 灰姑娘 》 Cinderella 《 丑小鴨 》 Ugly duckling 2 Fill in the blanks with the correct forms of the words or phrases in the box. run away pass by enter awake see them_______ my house every day. were not allowed to ______ the theatre without tickets. ’m so sleepy that I can hardly stay _______. fox__________ before the hunter could shoot it. pass by enter awake ran away 3 Complete the answers with the information given and find out who the criminal is in the story. Mary Sheep lost her child. Detective Monkey thinks the baby was stolen between 9:30 and 10:00 last night. He is questioning some suspects. What were you doing between 9:30 and 10:00 last night? Well, we had a birthday party for Panda last night. I was talking with (talk with) Fox at that time. We were also helping Panda clean the room. Let me think. I went to Panda’s Party at 7:00, and I left at 9:30. Between 9:30 and 10:00, I_________________ (take a walk) wit