Mary must keep her mind on her medical studies now, so it would be years ______ she could think about marriage.
A．beforeB．whenC．sinceD．until
A
考查連詞。Before 在什么之前，才，就，when 當(dāng)什么的時候，since 自從，until 直到，句意：現(xiàn)在瑪麗把心思都放在醫(yī)學(xué)研究上，因此，再過幾年他才可能考慮結(jié)婚。故選A。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

You must observe and gather information like Nicolaus Copernicus ________ you want more career advancement opportunities.
A．orB．becauseC．unlessD．if

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—I like your new leather boots!
—Thanks．I had to try on almost a dozen pairs ______ I decided to get them．
A．a(chǎn)sB．whenC．a(chǎn)fterD．before

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

All the parents in Mianyang admire Nanshan Middle School         the teachers are treating their students like friends.
A．whyB．whereC．thatD．which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

I don’t like the way ____ he often uses to speak to me.
A. in which
B. which
C. how 
D. what

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

We had just covered a distance of three miles        the engine         and the car came to a stop
A．then; was brokenB．when; broke downC．until; was failedD．since; burst out

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

______he has made up his mind, no one can make him change it.
A．AlthoughB．UnlessC．UntilD．Once

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It is so difficult a question_______ none of the kids could work it out.
A．a(chǎn)sB．that C．whichD．X

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The villagers, _______ had been damaged by the flood, were given help by the Red Cross.
A．a(chǎn)ll of whose homesB．whose all homesC．a(chǎn)ll their homesD．a(chǎn)ll of their homes

查看答案和解析>>

同步練習(xí)冊答案