23. You must wash your hands before meals.
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24. Peter writes a letter.
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25. Somebody built the house last year.
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26. They speak English in the shop.
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27. She can sew three shirts a day.
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28. She gave me the box.
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29. The students handed in the reports.
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30. Steven forgot the book.
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31. My friend booked the flight.
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32. They make cars in the USA.
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33. People are drinking a lot of coffee nowadays.
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34. Scientists have made new scientific discoveries.
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35. People export rice from Thailand.
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36. They are repairing my bike today.
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37. My company didn’t build that road.
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38. My cousin, Tom, will meet you at the airport.
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39. Did Alan write that report?
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40. Has anyone cleaned the room yet?
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41. They are planting flowers in the school garden.
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42. Can students speak Vietnamese in English classes?
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Đáp án D