| A．What are you doing last week? |
| B．What do you do last week? |
| C．What did you do last week? |
| A．I send you a birthday card yesterday. |
| B．I am sending you a birthday card yesterday. |
| C．I sent you a birthday card yesterday. |
| A．Do you read this book? |
| B．Did you read this book? |
| C．Did you reading this book? |
| A．The Mid-autumn Festival is coming. |
| B．The Spring Festival is coming. |
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