- I think I've got a bad cold, Doctor. Shall I take some medicine? - No need. Your body it self is able to______ the virus. Just drink more water and rest.

I am used to _______ early and going to bed early. It’s a good habit.

Mother told me ______ in bed because it’s bad for eyes. 

Look! So many passengers________ with their phones on the underground.

—What is the most important for us to learn well as students?—I think your teacher should ________ carefully in class?