A.at, in | B.at, at | C.on, on | D.at, on |
A.What? | B.Which one? |
A.I think it's mine. |
B.I think it's yours. |
C.I think it's his. |
D.I think it's hers. |
A.want | B.hope | C.need | D.should |
A.six | B.Sixth | C.the sixth | D.the six |
A.sing | B.to sing | C.to singing | D.singing |
A.to | B.of | C.for | D.on |