Make questions for the underlined words or phrases: 16. Nam left home at 7 o’clock yesterday. ................................................................................................................................................ 17. He taught English in the high school. ................................................................................................................................................ 18. The homework was very difficult yesterday. ................................................................................................................................................ 19. She often does the housework after doing exercises. ................................................................................................................................................ 20. They are planting some roses in the garden. ................................................................................................................................................ 21. Liz will send these letters to her friends. ................................................................................................................................................ 22. My favorite subject is Math. ................................................................................................................................................ 23. I often listen to music in my free time. ................................................................................................................................................ 24. She learns about computers in computer science class. ................................................................................................................................................ 25. My mother is cooking in the kitchen at the moment. ............................................................................................................................................... 26. Lan likes playing table tennis. ................................................................................................................................................ 27. I go to the movies twice a week. ................................................................................................................................................ 28. They go to the beach on the summer holidays. ............................................................................................................................................... 29. They stay in a hotel. ...............................................................................................................................................