--How many students are there in the classroom?--___________.
There are a lot of people in the park last Sunday. We had ______ to take a rest, so we got tired.
—Did you see a boy in blue pass by just now?—No, sir. I ______ a magazine.
—What does the symbol “<” mean? —It means “______”.
We think Betty the best student. The sentence structure is ______.
The 80-year-old man lives______, but he doesn’t feel______.