Sam ,do you know if Alice _______to my party next day ? I think she will come if she ______ free .
Robots ________ heavy work on farms in the future.
Lingling needs some vegetable. She ________ some in the market tomorrow.
________ stand too close to North Americans. Give them more personal space.
—________ you play the piano for us? —Sorry, I can't play the piano, but I can sing for you.
—Are these gloves ________, Betty? —No, they aren't. My gloves are here.