If there _____ no buying and selling of animals, there will be no killing in nature.
—I’d like ______ dress. What about ____ blue one?—Try it on.
--- they like oranges? ---No,they .
—Is that Helen’s aunt?--- .That is Mary’s aunt.
-- her books? --They are in her bag.
—Do you like playing computer games? --No ,I think it’s .