She is a very __________ dancer who performs every weekend. (beauty) The trip to Ha Long Bay was an unforgettable __________. (experience) My brother always acts __________ when we go out in public!...

Here are the answers: 1. She is a very beautiful dancer who performs every weekend. 2. The trip to Ha Long Bay was an unforgettable experience. 3. My brother always acts childish when we go out in public! 4. We must protect the environment before it’s too late. 5. They are carefully planning the summer festival. 6. This game is both fun and very educational for students. 7. You should never drive a car when you feel sleepy. 8. His presentation was very informative and clear. 9. I can’t believe she made such a foolish mistake! 10. The invention of the smartphone was a great technological step for humans.