Would it __________ for the school to have summer camp for all of us?

______ 7:30 that he _________ home yesterday,so his parents were very worried

His brother is naughty, ________ he is quite shy

If my father ______ here yesterday, he would have stopped me from going surfing.

g took steps to limit the kinds of high-risk ofborrowing money from the banks that can create the high price of housing,______ happened in the United States．