欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

- Why do you look so worried?
- My MacBook Pro broke down and my paper______unfinished since.
A．was leftB．has left
C．leftD．has been left
D

試題分析：考查時(shí)態(tài)。since后省略了“it broke down”，since+含有一般過(guò)去時(shí)的句子，與現(xiàn)在完成時(shí)連用；排除A、C；my paper和leave是動(dòng)賓關(guān)系，用被動(dòng)語(yǔ)態(tài)，故選D。
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

— Tom is planning to buy a car.
— I know. By next month, he        enough for a used one.
A．savedB．has savedC．would save D．will have saved

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

We ______very early so we packed the night before.
A．leaveB．had leftC．were leavingD．have left

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

.– George and Lucy got married last week. Did you go to their wedding?
– No, I _____. Did they have a big wedding?
A．was not invitedB．haven’t been invitedC．hadn’t been invitedD．didn’t invite

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

The news came as no surprise to me . I ____ for some time that the factory was going to shut down .
A．knewB．knowC．have knownD． had known

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

As is known to us all, English books of this kind ________ well in middle schools.
A．sellB．sellsC．is soldD．a(chǎn)re sold

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Please tell Tom not to leave the classroom unless he ______ that all the lights ______.
A．makes sure; are turned off
B．makes sure; will be turned off
C．is made sure; are turned off
D．will make sure; will be turned off

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

Since Jack was laid off from his job three months ago, he       a new one, but without luck.
A．1ooked forB．had looked forC．is looking forD．has been loking for

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

It was the second time we _____ in holding such important parties.
A．succeedB．had succeededC．succeededD．have succeeded

查看答案和解析>>

同步練習(xí)冊(cè)答案