I don’t know ____________.
| A．how much the population in Beijing is |
| B．what is the population of Beijing |
| C．how much is the population in Beijing |
| D．what the population of Beijing is |
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I don’t know ____________.
| A．how much the population in Beijing is |
| B．what is the population of Beijing |
| C．how much is the population in Beijing |
| D．what the population of Beijing is |
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