| A．are, doing | B．is, doing | C．is, do |
| A．Thank you. | B．Welcome. | C．You're welcome. |
| A．our | B．us | C．we |
| A．doing | B．do | C．is doing |
| A．her | B．him | C．them |
| A．for | B．on | C．at |
（ ）| A．cousin | B．book |
（ ）| A．teacher | B．driver |
（ ）| A．work | B．write |
（ ）| A．school | B．cinema |
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