_____in the queue for half an hour, the old man suddenly realized he had left the money in the car.
| A．Waiting | B．To wait | C．Having waited | D．To have waited |
While riding in the street, _____________.
| A．someone called me from behind | B．my bike broke down |
| C．I heard my name called | D．an old man knocked down |
—Can you give me the right answer?
-─Sorry I____________ .Would you repeat the question?
| A．hadn’t listen | B．haven’t listened | C．don’t listen | D．wasn’t listening |
She is not __________ to pass the examination as she doesn’t work hard.
| A．possible | B．likely | C．maybe | D．perhaps |
___________ the guide, the reporter entered the house of the farmer who is famous for
helping other villagers get rich.
| A．Following | B．Being followed | C．Followed | D．To follow |
You’d better go there by train. The train ticket is __________the airplane ticket.
| A．as cheap three times as | B．as three times cheap as |
| C．three times cheaper than | D．cheaper three times than |