—Is Mary friend?—No, isn’t.
---What was your sister doing at this time yesterday?---She was reading a magazine _______I was writing an e-mail at home.
When I came into the room, I saw a cat ______ under the table.
Peter ________ swimming at 8:30 yesterday evening.
There is some rubbish on the floor, please ________.
---You look too tired. Why not ________ a rest?---Sounds good.