—What’s your dream, Lingling?

—I’m going to be ______ excellent teacher like Zhang Guimei.

—Mum, could I watch the movie The Battle at Changjin Lake tonight?

—Of course, if your homework ______.

—What’s the matter with my throat, doctor?

—______. Drinking more hot water is OK.

—Using public chopsticks ______ necessary when eating with others.

—That’s right.

—Do you know there are more than 3,000 languages ______ in the world?

—Sorry, I have no idea.