【单选题】
Computer____________ more and more extensively in the world today.
【单选题】
Computers are being used more and more ________________ in the world today.
【单选题】
On the first day at work, he was ( ) with a difficult task.
【单选题】
How difficult it is ______ the modern world without oil.
【多选题】
A: How often do you usually exercise?B:_______________ .
【单选题】
In the past he often made his sister___, but now he is often made __by his sister.
【单选题】
Computer are being used more and more____________ in the world today.
【单选题】
The more peopleyou know, ___________knowledgeyouget.
【单选题】
We can be sure of this: []no little green men live on Pulsar.
【单选题】
All the men were under heavy____ working day and night