从右栏中找出适合左栏的答语，并将标号填入题前的括号内。（每小题2分，共10分）
The twins＿＿＿＿＿＿in Dalian last year． They＿＿＿＿＿＿here now．
| A．are; were | B．were; are | C．was; are | D．were; was |
＿＿＿＿＿＿your parents at home last week﹖
| A．Is | B．Was | C．Are | D．Were |
My father＿＿＿＿＿＿ill yesterday．
| A．isn't | B．aren't | C．wasn't | D．weren't |
She has three new _______.
A. teacher B. student C. teachers
Who are ______?
A. they B. them C. their