The student’s behavior cost the teacher a steepless night . He never thought his student ______ computer games for a whole class .
You are really very kind. I’ll never forget the you have done to me.
.A computer is so useful a machine ________ we can use everywhere.
— Why didn’t you come to Mike’s birthday party yesterday? — Well, I ____, but I forgot it.
I the hobby of fishing as a child.
—I had a good holiday at my uncle’s. —________ .