1 . If we ________(缺少) Vitamin C in our diet, we will feel tired or even suffer from diseases.   (根据汉语提示单词拼写)

2 . The two little girls d____________(消失) while walking home from school, so their parents were worried about them. (根据中英文提示拼写单词)

3 . Since he started working in a city far away from home, he now only visits his grandparents o_________ because he’s too busy. (根据首字母单词拼写)

4 . To f_________（促进）a positive change in our bad habits. we must first examine our bad habit cycles and then try to adapt them. （根据中英文提示填空）

5 . Mia, a socially a___________ (尴尬的) American girl, becomes princess of Genovia when her long-absent father, the Crown Prince, dies. (根据中英文提示单词拼写)

6 . With such campaigns in effect, China’s waterways are heading towards a clean and s________ (可持续的) future. （根据中英文提示填空）

7 . I have to say it will surely b_________ you a great deal and help you achieve your dream more easily if you develop a good learning habit.(根据首字母单词拼写)

8 . It would be possible to travel into the future in a vastly s________ (更好的) spaceship approaching the speed of light. (根据中英文提示填空)

9 . In 2018, iPhone sales ____________ (占) for 56% of Apple’s total income. (根据汉语提示单词拼写)

10 . If a water pipe starts leaking, or if there is a short in the electrical wiring, your smart home will d________ it and provide you with the relevant information. （根据首字母单词拼写）