| A．a monkey; a monkey | B．monkey; monkeys | C．a monkey; monkeys |
| A．at | B．in | C．on |
| A．Yes, I can. | B．No, I cannot. | C．Sorry, you cannot. |
| A．Turn off the lights. |
| B．Watch TV. |
| C．Sleep. |
| A．Sunday |
| B．Saturday |
| C．weekends |
| A．past |
| B．on |
| C．to |
| A．Wednesday |
| B．Monday |
| C．Friday |
| A．am |
| B．is |
| C．are |
| A．钢笔 | B．盒子 | C．尺子 |
| A．meat | B．apple | C．egg |
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