31. I want to know how the money was used ______ and whether it is used in a reasonable way or not.

Did you see Anna after class— I saw her leave the classroom, but I didn’t notice __________after that.

It is hard to imagine what life__________ in 100 years.

Every time Gina catches her employees _____ time, she reminds them that time is money.

Between the two roads____ a TV tower called “Skyscraper Tower”.