A: This is your father's pen, I think. B: No, it's _______.
| A．my sister | B．my brother's | C．my mothers | D．your father's |
相关试题
My uncle is _____ accountant. He works in _____ air-conditioner company.
| A．a; a | B．an; a | C．an; an | D．a; an |
We usually stay ____ home ____ Saturday afternoon.
| A．at; in | B．at; on | C．in; at | D．on; on |
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