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

He made a mistake, but finally he solved the problem __________ it got worse.

A．until B．before C．when D．a(chǎn)s

B

解析試題分析：考查連詞：A. until直到，B. before在…前面，C. when當….時候，D. as正如，因為，隨著，句意：他犯了錯，但是在還沒有變得更糟前他最終解決了問題。Before還可以翻譯成“在還沒有…的時候”，選B。
考點：考查連詞

練習冊系列答案
相關(guān)習題

科目：高中英語 來源： 題型：單選題

      we completely differ from each other in character，we are still great friends .

A．Even though B．In case C．Shortly after D．Long before

查看答案和解析>>

科目：高中英語 來源： 題型：單選題

We had hardly arrived at the foot of the Yuntai Mountain         it began to rain heavily .

A．thanB．whenC．untilD．a(chǎn)fter

查看答案和解析>>

科目：高中英語 來源： 題型：單選題

Junk messaging has been a headache for years, ＿＿the action taken by the authori-ties has not yet produced the results expected

A．a(chǎn)sB．butC．soD．before

查看答案和解析>>

科目：高中英語 來源： 題型：單選題

It’s really very dangerous. One more step, _____the baby will fall into the well.

A．or B．so C．but D．a(chǎn)nd

查看答案和解析>>

科目：高中英語 來源： 題型：單選題

You had better book rooms at the hotel in advance       you should find no room on your arrival.

A．so thatB．even ifC．in caseD．now that

查看答案和解析>>

科目：高中英語 來源： 題型：單選題

I have only one day left ___ traveling to Kunming and then flying back home.

A．when B．a(chǎn)s C．before D．while 

查看答案和解析>>

科目：高中英語 來源： 題型：單選題

—How come you are always staring at me this morning?
—You look stupid! The way you wear is________ annoys me most.

A．which B．where C．how D．what

查看答案和解析>>

科目：高中英語 來源： 題型：單選題

Rock-climbing is a breathtaking activity, very popular nationwide among young people, ______ cooperation as well as courage plays an important role.

A．whoB．whichC．whereD．of which

查看答案和解析>>

同步練習冊答案