.
Over the past decades, sea ice _____ in the Arctic as a result of global warming.
| A．had decreased | B．decreased | C．has been decreasing | D．is decreasing |
30. ---Which hotel are you in?
---I ___ in a hotel. A friend I met on the train from the south___ to put me up for a couple of nights.
| A．haven’t stayed; has offered | B．am not staying; offered |
| C．am not staying; is offering | D．do not stay; offers |
29. I have offered to take care of the three children as well as the pet dog _____ a week’s accommodation.
| A．in exchange for | B．with regard to | C．by means of | D．in place of |
28. Our schoolmaster tried his best to make our teaching methods _____ to the concerning parents at the press, who are eager to send their child to our school.
| A．get through | B．get across | C．get over | D．get around |
27. _____ in a friendly way, they both were satisfied with the result.
| A．Having been settled their quarrel | B．Their quarrel being settled |
| C．Their quarrel settled | D．After their quarrel settled |
26. – If we take a plane, we’ll surely have arrived in Paris by tomorrow morning.
– Don’t be so sure, we should _____ the weather factor. _____ it is foggy at t
hat time?
| A．allow for; What if | B．consider; What about |
| C．take account of; Even if | D．watch out for; How about |