My boss insisted that I _______ the work before ten o’clock tonight.
We are going to Yunnan for vacation. We’re staying there _____ half a month.[ ]
In the piano contest, my brother didn’t play well and I did_
That’s the third time he’s won the award in this field.— Yes. He ______ his maximum potential in the past decade.
They peasants did what they____ the crops, but failed.