I was watching the news on TV ________ the power went off.
| A．when | B．as | C．while | D．until ． |
---Don’t worry, Mum. The doctor said it was only the flu.
---____! I’ll tell Dad there’s nothing serious.
| A．What a relief | B．Congratulations |
| C．How surprising | D．I’m so sorry |
The analysis shows that plastics, particularly those that __________ fast, are contributing to the climate change.
| A．break off | B．break down |
| C．break up | D．break out |
Mr. Putin told CNN in an interview that the United States should not ________ in Russia’s internal affairs.
| A．interpret | B．interrupt |
| C．interfere | D．interact |
In taking a space walk, Chinese astronauts are__________ going where Russian and Americans went decades before.
| A．ridiculously | B．commercially |
| C．domestically | D．boldly |
None of us expected the chairman to ______at the party. We thought he was still in hospital.
| A．turn on | B．turn up | C．turn off | D．turn down |