----Do you know ________ man who is standing under the tree? ----He is my new English teacher, Mr Hu.
—________ exciting the movie is!—Sure, I have seen it three times.
—Let’s go out for a walk.—You’d better not. These days the air is getting much ________ than it was before.
You get wet all over. It must be raining ________ outside.
—Dinner is ready. Help yourself, please!—Wow! It ________ delicious. You are really good at cooking.
As a student, we should keep our classroom ________.