单项选择题
A、 The engine should be fine. B、 He’s worried about the engine too. C、 He’s certain it’s time to get a new car. D、 The car hasn’t served their needs well.
A、 They affect one’s way of looking at the world. B、 They make people feel lonely and unwanted. C、 They affect one’s health condition. D、 They are addictive and hard to change.
A、 It limited their supply of food. B、 It made their eggshells to fragile. C、 It destroyed many of their nests. D、 It killed man baby bald eagles.