What are you going to when you grow up—I’m going to be a singer.
This week, the seems to change every day. One day is hot; the next day is cold.
I would rather ________ to work after my graduation, but my fathe would rather I ________ abroad for further education.
They stood _____ at each other as if they were enemies.
There isn’t any difference between the two. I really don’t know _________.[ ]