The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes

I have been living in the United States for twenty years ,but seldom _____ so lonely as now.

We are not sure if it _____ tomorrow . If it _____, we won’t go hiking .

Does Peter like geography—______. He thinks it is boring.

Sir, could I hand in my homework a bit late— _______, since you’ve been unwell these days.