His name was Tony and he seemed ____ like a human ____ a machine.

Was the suspect seen ________ that young woman in the street at that time? —Yes. The victim _________ a lot.

I don’t like _____ away for too long.

Mr. Brown has worked in the factory ______15 years. [ ]

.—How _______the frog(雾) is! We can’t see clearly while riding.