With the country’s population increasing to 1.3 billion, many of China’s rivers, including the legendary Yellow River, .
| A．is drying up | B．will be drying up | C．h ad dried up |
D．are drying up |
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With the country’s population increasing to 1.3 billion, many of China’s rivers, including the legendary Yellow River, .
| A．is drying up | B．will be drying up | C．had dried up |
D．are drying up |
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