Nowadays, it’s a challenge to protect your ______, for your personal information is everywhere.
29. He told us that the girl was _______, so we went to save her.
28. Vitamin D helps our bodies make a special chemical, and this special chemical, _______, affects our brains, making us feel happy.
27. Do you know what use people _______ pines after they’re cut down?
26. My parents will move back into town in a year _______
25. John, _______ money is no problem, still leads a simple life.