The water supply has been cut off temporarily because the workers ________ one of the main pipes.
—Did you find the missing couple in the mountain yesterday? —No, but we ________ to get in touch with them ever since.
—Such a mistake could have been avoided. —Unfortunately, he _______ the mistake again and again.
—May I remind you that a Mr. Wang is waiting outside, sir? —Oh, that’s right. I about it.
—Did you enjoy your holiday? —Yes, it’s the best holiday I these years.
Just look at the room. My roommate ____ up his clothes.