| A．a | B．the  | C．an |
| A．laugh | B．laughing | C．laughed |
| A．Who | B．Whose | C．Where |
| A．e | B．i | C．a |
| A．e; l | B．i; l | C．e; i |
| A．se | B．sh | C．th |
| A．ou | B．ur | C．or |
| A．a; e | B．i; e | C．a; i |
| A．you, mine | B．yours, my | C．yours, mine |
| A．rains | B．rain | C．raining |
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