The plan for the new design occurred to Mr. Smith______on his work recently.
A．while concentratedB．while concentrating
C．while he concentratedD．while concentrating himself
C
C 此題易選B, 認為題干是個省略句, 過去分詞作時間狀語。如果是省略句的話，省略的成分應該與的主句的主語和be動詞相同，而且主句的主語是the plan，顯然是不能作過去分詞concentrated的邏輯主語的。
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

I am lucky ______ the thing I enjoy doing most is ______ I've ended up doing.
A．when... thatB．if...whatC．that... whatD．that... that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(大連市高三雙基測試卷)Could you tell us ______ happens when one student in class expresses a personal opinion _______ maybe offends other students?
A．that; thatB．what; whereC．that; whereD．what; that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


Mr. Green left _________ suddenly _________ he came.　
A．so； thatB．so； as
C．a(chǎn)s； thatD．a(chǎn)s； as

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

After five hours’ drive, they reached ______ they thought was the place they’d been dreaming of.
A．thatB．whereC．whichD．what

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

–You’re always working. Come on, let’s go shopping.
--________ you ever want to do is going shopping.
A．AnythingB．SomethingC．AllD．That

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Mary wrote an article on ________ the team had failed to win the game.
A．whyB．whatC．whoD．That

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

-Thank you very much.?　
-You are welcome. I was _____ glad to help.
A．too muchB．only tooC．not soD．very much

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


______ so much electrical equipment,wood and paper in one place,there is a danger of fire.
A．ForB．In C．WithD．By

查看答案和解析>>

同步練習冊答案