改为被动语态：we must pay attention to our pronunciation to speak English well.用两种方式

回答： we must pay attention to our pronunciation to speak English well. 改为被动语态的两种方式：1. Our pronunciation must be paid attention to to speak English well. 2. Attention must be paid to to speak English well.
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the attention must be paid to our pronounciation to apeak english well.
our prounouciation must be paid attention to speak english well.