The teacher told us that light ______ faster than sound.
She keeps a supply of candles in the house in case of power _________.
—That city __________ the widespread use of motorcycles. —So it does,as this will help reduce transport problems.
—Tom was absent today,wasn’t he? —No,he wasn’t.He was just late,because he ________ his bus.
I had _________ entered the classroom when I noticed the headmaster was sitting at the back.
You __________ only half the price.How would the seller sell the jacket to you?