—You look tired.
—Yes. I _____ non-stop until twelve o’clock.
| A．hasn’t been working | B．wasn’t working | C．was working | D．didn’t work |
Some researchers are finding that daydreaming may be important to _____ mental health. Daydreaming, they say, is____ good means of relaxation.
A the, ∕ B ∕, the C∕ , ∕ D ∕, a
The young man could repair a TV, and that would have been of____ high status in ____ eyes of local people.
A a, the B the, the C ∕, ∕ D∕ , the
_____ humanoid(有人特征的) robot newly acquired by Imperial College in London will lead to _____ deeper understanding of ____ human intelligence.
A The, the, ∕ B A, a ,a C A, a, ∕ D A , the, ∕
Without_____ thorough understanding of China’s specific conditions, you can’t have ____ say over the only-child policy.
A a, the B the, a C a, a D the, the
Nowadays we need to learn_____law so as not to break_____ law.
A the, ∕ B a, the C a, ∕ D∕ , the