Shall we go skating or stay at home?—Whichdo yourself?

He was busy writing a story, only ______ once in a while to smoke a cigarette.[ ]

Ray Kurzweil is a computer scientist and an employee of Google, ________ specializes in Internet-related services.

I stayed at a hotel while in New York. —Oh, did you? You ________ with Barbara.

can ____ a second, I’ll look forBob and tell him you are on the phone for him