o you have anything _________ thisafternoon If there is nothing to do, I wonder if I can ask for a leave．

We had a long meeting yesterday. It _____ four hours.

Recycling is one way to protect the environment;reusing is _____.

Nowadays, more and more people are addicted _______ shopping on the Net, ______a challenge to traditional department stores.

“You went late _________ the stadium yesterday evening, didn’t you?” “Yes, my wife was a little late _________ the supper.”