Boys and girls, calm down and focus on the test paper you begin to think about the answers. Be confident. You can do it!A. as if B. as soon as C. although
— Must they clean and tidy the classroom now? — No, they . It after school in the afternoon.
— Oh, Miss Wei. Your skirt looks nice. Is it new? — No, I it since three years ago.
— Has Li Hong gone to the library? — Pardon? — I asked the library.
They have made so great progress .
The earth is years old.