题目内容
—Why does the lake smell terrible?
—Because large quantities of water_______________.
| A．have polluted | B．is being polluted |
| C．has been polluted | D．have been polluted |
D
解析
阅读快车系列答案--Why does the lake smell terrible?
-- Because a large amount of water_______.
| A．have polluted | B．is being polluted |
| C．has been polluted | D．have been polluted |
—Oh no! We’re too late. The train ______.
—______. That’s OK. We’ll catch the next train to London.
| A．was leaving | B．had left | C．has left | D．has been leaving |
—Did you watch the basketball match yesterday?
—Yes，I did.You know，my brother ________ in the match.
| A．is playing | B．was playing |
| C．has played | D．had played |
(2013·南昌10所省重点中学二模)Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
| A．has served | B．had served |
| C．is serving | D．served |
The fact that so many people still smoke in public place _______that we may need antionwide campaign to raise awareness of the riks of smoking.
| A．suggest | B．suggests | C．suggested | D．suggesting |
The construction of the two new railway lines by now.
| A．have been completed | B．has been completed | C．has coompleted | D．have completed |
In the less than two months since the reality television show—"Where Are We Going , Dad?" first aired, the show to the top of Chinese television ratings．
| A．had climbed | B．has climbed | C．climbed | D．was climbing |
(2013·高考天津卷)The water supply has been cut off temporarily because the workers ________ one of the main pipes.
| A．had repaired | B．have repaired |
| C．repaired | D．are repairing |