1—________you _____your homework yet —Yes,I ___it ten minutes ago.

by some red lanterns, our houselooks beautiful, so I don’t think it needs ______

I wanted to go to Greece,and my wife wanted to go to Spain,so we ________ on Italy.[ ]

He doesn’t know what __________ the problem.

We’d better set off now or it will be dark ______ we know it[ ]