When he the door, he found his keys were nowhere.
— Where is my dictionary? I remember I put it here yesterday. —You it in the wrong place.
—How do you deal with the disagreement between the company and the customers? —The key_______ the problem is to _____ the needs _______by the customers.
To tell you the truth, I think it is you______ Mr. Black______.
The computer systemsuddenly while he was searching for information.
___ the room, the nurse found the tape-recorder ___.