If you are _______trouble, you can ask the policemen _______ help.
My father isn’t in good health now. I think he should pay attention____ exercise.
— Don’t worry. He’ll come and help you. —_______he doesn’t come?
I can play the guitar, _________ his brother.
Usually we get ________ about something and end up ________ in Chinese.
— Who left the classroom ______the light _______? — I’m sorry. I forgot it