你拾到了一块橡皮想找到失主,你会问:A. Whose rubber is it ?B. Who’s the rubber ? C. What’s the rubber ?
The twins______in Dalian last year. They______here now.
______your parents at home last week﹖
My father______ill yesterday.
She has three new _______. A. teacher B. student C. teachers
Who are ______? A. they B. them C. their