题文
________，there are 2000 customers to the supermarket every day.
| A．On average |
| B．At average |
| C．For average |
| D．To average |
推荐试卷
________，there are 2000 customers to the supermarket every day.
| A．On average |
| B．At average |
| C．For average |
| D．To average |
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