—You look very ______ this afternoon. Why?—Because we are going to spend the evening at Lily’s house.A. happy B. happily C. happiness
_________ does Jim surf the Internet? Once a week.
_______he is busy, ________he helps us often.
Your child is only five. Is _____necessary for you to be so strict with him?
My mother always has__________ housework to do on weekends.
It’s important ______us to learn English well.