He was seriously injured last week and that’s _______ he didn’t participate in the competition.
A．whenB．howC．whyD．what
C

試題分析：句意：上周他受傷嚴(yán)重，這就是他為什么不能參加比賽的原因。That’s why….這就是為什么。When什么時(shí)候，why為什么，what什么，都不符合句意，所以選C。
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

--- It’s wrong of a student to follow ______ his teacher says.
--- It’s true. I can’t agree ______.
A．no matter what ; too muchB．whatever ;much
C．no matter what; moreD．whatever; more

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—Haven't I seen you some place before?
—Yes. That's ________ I don't go there anymore.
A．becauseB．how
C．whyD．when

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—I drove to Zhuhai for the air show last week.
—Is that    you had a few days off?
A．whyB．WhenC．whatD．where

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—I drove to Zhuhai for the air show last week.
—Is that ________ you had a few days off?
A．whyB．whenC．thatD．where

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—I'll ask the teacher about the attributive clause. I'm very puzzled about it.
—That's just ________ most of our classmates have doubt.
A．whatB．whyC．whereD．how

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

_______ is even important is ______ as the earth cooled down, water began to appear on its surface.
A．That, thatB．What, thatC．What, whatD．It, that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The doctor’s dilemma was _____ he should tell the patient the truth.
A．whetherB．whichC．thatD．what

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Go and get your coat. It’s  ________ you left it.
A．whereB．thereC．there whereD．where there

查看答案和解析>>

同步練習(xí)冊答案