Yesterday, a man said he saw _______ UFO in the park. The police are looking for _______ UFO now.

Could you turn the TV down a little bit—___．Is it disturbing you

He didn’t listen to the teacher carefully._______ , he couldn’t answer the questions.

It is the farmers who provide us with food, yet they are ________ by some citizens.

We’ve heard much _______ about the missing plane, but we still don’t know where it is.