题目内容
-The window is dirty.
-I know. It ___________ for weeks.
| A．hasn’t cleaned | B．didn’t clean | C．wasn’t cleaned | D．hasn’t been cleaned |
D
解析试题分析：句意：--窗户很脏。---我知道。它有数周没被清洁了。这里强调没有被清洗已经持续了几周，可能还要进行下去，符合现在完成进行时的用法，而且the windows和clean是被动关系，选D。
考点：考查时态语态
A加金题 系列答案
全优测试卷系列答案Some of the wolves there _____ the fur.
| A．are hunting | B．are hunting for | C．hunt for | D．are hunted for |
Scientists also have no idea how long it will be before all wild animals in the cages _____.
| A．should be set free | B．will be set free |
| C．are set free | D．would be set free |
Food supplies in the flood-stricken area _______. We must act immediately before there’s none left.
| A．have run out | B．are running out |
| C．have been run out | D．are being run out |
—Tom，you’ve got an A in the final English exam.Congratulations!
—Thanks.But I never thought the result came out so fast.The papers________when I left the teacher’s office just now.
| A．had been marked |
| B．were still being marked |
| C．are still marking |
| D．had been marking |
—Tom is so joyful that he smiles at everyone.
—So ________ you if you get the first in the exam.
| A．do | B．are |
| C．would | D．will |
Now the world’s attention ________ the stock markets，as they have a great influence on the world’s economy.
| A．is fixing on | B．has fixed on |
| C．is being fixed on | D．had been fixed on |
For the sake of enough time for study and rest, students are _____ from using cellphones in our school.
| A．encourged | B．forbidden | C．required | D．kept |
—Will you see me off at the airport at ten tomorrow morning?
—Sorry, I ________ a lecture then.
| A．will be giving | B．will give |
| C．give | D．have given |