You have no chance of getting the position. I'm afraid you ________ your time if you apply for it.
| A．waste | B．have wasted |
| C．have been wasting | D．will be wasting |
The house is dirty because it ________ since they moved out.
| A．doesn't clean | B．isn't cleaned |
| C．hasn't cleaned | D．hasn't been cleaned |
Up to now, our society ________ with limited living space and a shortage of natural resources.
| A．has been challenged | B．is being challenged |
| C．is challenging | D．has challenged |
—Did you listen to the report last Friday?
—Yes, it was about the shortage of immigrant workers. That was the first time I ________ about the subject.
| A．have heard | B．was hearing |
| C．would hear | D．had heard |
—Alas! I have left my key to the office in my car.
—Don't worry. I ________ it for you. Wait a minute.
| A．get | B．am going to get |
| C．will get | D．am getting |
Kate ________ on her new novel, which is supposed to come out next month.
| A．was working | B．had worked |
| C．will be working | D．has been working |
—Ye Shiwen got the championship in the women's 400 meter individual medley at London Olympics.
—She fully deserves the title. She ________ for it for years.
| A．is preparing | B．was preparing |
| C．has prepared | D．had been preparing |
It's said that they ________ a better life ever since they moved to the US.
| A．had enjoyed | B．have been enjoying |
| C．were enjoying | D．would enjoy |
—Can you tell me if Tom has finished his homework?
—I've no idea. He ________ it this morning.
| A．has being doing | B．had done |
| C．is doing | D．was doing |
—Have they got their new house painted yet?
—I don't know. But I was told it ________ when I met them last week.
| A．had been painting | B．would be painting |
| C．was painted | D．was being painted |