I was out of town at thetime, so I don’t know exactly how it ____.[ ]

The traffic is heavy these days, I ______ arrive a bit late, so could you save me a place? [ ]

Have you returned the book to the library ____—Yes， I have ____ returned it.

Not until I had watched the football match between Brazil and Germany_________to bed last night.

We can’t buy anything because______ of the shops are open at this time.