In class, the students are __________ in the teacher’s words.

.After staying in room for weeks, the lady was advised to go to the outside world to _____ her confidence as well as health.

-----May I speak to Mr Tom, please? ----- I’m afraid he isn’t in. Would you like to ______ a message?

——Watch! ——I ____ but ____ I ____ anything unusual.

Many Chinese have lived abroad for years, but they still  _____ the traditional customs.