.
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 |
Mr. Black Shanghai in a few days. Do you know when the earliest plane ________ on Sunday?
| A．leaves; takes off | B．is leaving; takes off |
| C．is leaving; is taking off | D．leaves; is taking off |
Many road accidents _____________ from careless driving, according to the recent reports from the police.
| A．rise | B．reduce |
| C．increase | D．arise |
Living in a fast-paced world, we _______ get left behind if we stop learning.
| A．should | B．dare | C．may | D．need |
The traffic rule says young children under the age of four and ____ less than 40 pounds must be in a child safety seat.
| A．being weighed | B．to weigh |
| C．weighed | D．weighing |
________ is the influence of TV that it can make a person famous overnight．
| A．So | B．As | C．That | D．Such |