The bad weather is reported _______ the passenger plane crash in Iran on January 9.
| A．to contribute to | B．contributing to |
| C．contributed to | D．to have contributed to |
推荐套卷
The bad weather is reported _______ the passenger plane crash in Iran on January 9.
| A．to contribute to | B．contributing to |
| C．contributed to | D．to have contributed to |
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