I think _____ is very important for students to study by themselves in the school or at home.A. it B. this C. that
I have ______ things to do today.
I get up ______ six ______ the morning every day, but ______ Sunday morning I get up a little later.
The dog is very smart, but sometimes it’s ______ boring.
---Don’t listen to music in class again, Mike. ---______.
He is a ______ boy.