There is ________ invitation on the desk. _______ invitation is from Lucy.
There’s ________ one-legged desk in ________ classroom.
There is too much snow on the ground. If you walk too fast, you will ____.
---When did you leave the office yesterday afternoon?---____ I finished my work.
---Mr. Green , do you think I can get an “A” in the final exam if I start working hard now?--Of course. ______.
---Do you think the question is too hard _____?---I don’t think so. He can answer it easily.