I think you could complain, _______, of course, you are happy with the way thing s are.
—Is Bob still working in your school?—I'm afraid not. He is said ___________ and ___________ in a private school recently.
The ___________ boy was last seen ___________ near the East Lake.
It was never clear ___________ the man hadn't reported the accident sooner.
It is uncertain ___________ side effect the medicine will bring about,although about two thousand patients have taken it.
It never occurred to me ___________ you could succeed in persuading him to change his mind.