--Would you like to do ______ to protect our earth? -- Of course, I’d love to.A.anything usefulB. useful somethingC. something useful
--Is it your dress? --No. It’s ____.
--____ jacket is this? --I think it’s Mingming’s.
--What ____ is Jane in? --She is in ____ Six.
--What’s that ____ English? --It’s a desk.
--What are those? --____ are cakes.