----- Nội dung dịch tự động từ ảnh ----- Exercise 4: Fill in the blank with the correct form of the word. 20. I _marbles when I was young. (use to/ play) 21. Minh used to _his homework late in the evening. (do) 22. Thanksgiving. on the third Thursday of November. (hold) 23. They _for the next train to come. (wait) 24. you _play hide and seek when you were small? (use) 25. Children must _(learn) about road safety before they (allow) to ride a bike on the road. 26. The end of the film was so (move). 27. I was _to learn that the director of that gripping film has won the first prize. (interest) 28. We found the film's plot (shock) 29. The scenes was so that I closed my eyes. (frighten)