句子反复磨耳朵（连读）21-30

21. You should drive at a safe speed. 你应该以安全的速度行驶。 22. I have a dog. She has a cat. 我有一只狗。她有一只猫。 23. Which bus goes to Central Park? 哪路巴士到中央公园? 24. There are a lot of fish in the pond. 池塘里有很多鱼。 25. It may take a little longer than I expected. 可能要比我预计的时间长一点。 26. Were you playing with Tom at his house? 你和汤姆在他家玩吗？ 27. Let's begin. 我们开始吧。 28. Please don't close the door. 请不要关门。 29. I play baseball with them. 我和他们一起打棒球。 30. Alex wasn't hungry then. 那时亚历克斯并不饿。