It is rather important for a farmer and an airplane pilot to know【B1】______ the weather will be like. Unless they know what weat

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问题 It is rather important for a farmer and an airplane pilot to know【B1】______ the weather will be like. Unless they know what weather to expect, they cannot plan their【B2】______ or operations. But farmers and pilots are not the only people【B3】______ in the weather. Almost everyone listens to weather forecast. Outdoor games cannot be【B4】______ unless the weather is suitable. Housewives listen to the weathermen’ s predictions and wait for the weather to【B5】______ before they wash a lot of clothes.
【B4】