Câu bị động 21. We have to test this product. _________________________________________________________ 22. They export bananas to Europe. _________________________________________________________ 23. Many visitors have visited Kuala Lumpur recent years. _________________________________________________________ 24. The students is going to plant more trees in the school garden. _________________________________________________________ 25. Bob didn’t take that book from the desk. _________________________________________________________ 26. People should keep fruits in the fridge for long. _________________________________________________________ 27. They will cut the grass in the park next week. _________________________________________________________ 28. When did they decorate the kitchen? _________________________________________________________ 29. They might build a new supermarket in the neighborhood. _________________________________________________________ 30.My sister will tell you what time the train leaves. You………………………………………………..