(2013·寧夏銀川一中高三第四次考試)________ scores of times, but he still couldn't understand it.
A．Having explained
B．Having been explained
C．Though it was explained
D．It was explained
D
D　考查句子結構。本句中的but是并列連詞，由此可知but前后都是完整的分句。表轉折意義的句中，but與though不能同時用，故D項正確。
練習冊系列答案
相關習題

科目：高中英語 來源：不詳 題型：單選題

There is still much to discuss；________，we shall return to this topic at the next meeting.
A．yetB．therefore
C．otherwiseD．however

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

E-Bay，Amazon and Shopbop are popular websites __________ people can sell goods to each other．
A．whereB．whichC．whenD．whose

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·開封高三第一次�？�)It is announced that big prizes will go to ________ finishes the assignment on time.
A．whomB．who
C．whomeverD．whoever

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·南京二模)Though having discussed it for long, they still haven't reached an agreement ________ they should pour more money into the project.
A．whetherB．if
C．thatD．what

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·吉林長春高中畢業(yè)班第一次調(diào)研)I'll make some sandwiches, just ________ we get hungry later.
A．even ifB．a(chǎn)s though
C．if onlyD．in case

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·天津12區(qū)二模)He never thought that his success came ________ he least wanted it.
A．untilB．sinceC．whenD．while

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

When we talk about the cities in United States, the first ________comes into our mind is New York. 
A．oneB．cityC．thatD．which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Some of the people often ask the same question　　　the air has been polluted.
A．whether　B．ifC．that D．where

查看答案和解析>>

同步練習冊答案