－When do we need to pay the balance?－__________ September 30.
How about the rest of us _____ a meeting after dinner？
The blackboard was wiped _____ .
The students are _____ to hand in the exercises before class.
Was it _____ yesterday evening _____ you met him？
Could you give us the reason why you didn't do as _____ ？
－__________ September 30.－__________ September 30.
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