______ is known to all,Taiwan is a part of China.
We invited her to dinner but she didn’t even bother to _____.
On Halloween, children in American like to _____ as ghosts to frighten people.
. —I don't mind telling you what I know. —You________.I'm not asking you for it.
—What do you think of my marriage? —______, if I were you, I would not marry him.
She’s going to have problems finding a job ______she looks beautiful.