-let's go fishing if it____this weekend.-But nobody knows if it______Ais fine,will rain Bwill be fine,rains Cwill be fine,will rain

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-let's go fishing if it____this weekend.-But nobody knows if it______Ais fine,will rain Bwill be fine,rains Cwill be fine,will rain
-let's go fishing if it____this weekend.-But nobody knows if it______
Ais fine,will rain Bwill be fine,rains Cwill be fine,will rain

-let's go fishing if it____this weekend.-But nobody knows if it______Ais fine,will rain Bwill be fine,rains Cwill be fine,will rain
A
前面个空表假设,后面表是否

A ( 第一个IF ‘如果’引导状语从句,遵循‘主将从现’原则,故用一般现在时,第二个IF ‘是否’,引导宾语从句,事情还没发生,故用一般将来时。

A