Jim，you look sleepy. What’s wrong—I________to write a report last night.

n’t seen Sara since she was a little girl, andshe has changed beyond ____

Walking more is good for our health.— You’re right. So I’d rather_______ an hour’s walk to work than consider________ a car.

下列各句中加点的虚词，使用恰当的一句是(　　)

Many people shop on line, ________ yearsago, they bought things only from stores.