If it rains, we _____ stay indoors.
If it rains, we _____ stay indoors.
Explanation
In conditional sentences, "shall" is used with "I" and "we" to express future actions.
It is used here to indicate what will happen if the condition (rain) occurs.
In conditional sentences, "shall" is used with "I" and "we" to express future actions.
It is used here to indicate what will happen if the condition (rain) occurs.