Some researchers believe that there is no doubt ______ a cure for AIDS will be found.?

A.which

B.that?

C.what

D.whether?

B


解析:

句中a cure for AIDS will be found是對no doubt的完全解釋，所以這里需要引導同位語從句的引導詞that。?

練習冊系列答案
相關習題

科目：高中英語 來源： 題型：

　—I’m sorry, I shouldn’t have been so rude to you.

　　　　—You ________ your temper but that’s OK.

　　A. have lost　　　　　　　　　　　B. had lost

　　C. did lose　　　　　　　　　　　 D. were losing

查看答案和解析>>

科目：高中英語 來源： 題型：

It was hard for him to learn English in a family, in which _________ of the parents spoke the language.

A. none   B. neither

C. both    D. each

查看答案和解析>>

科目：高中英語 來源： 題型：

Is______necessary to change trains at Beijing?

          A. this      B. that      C. it      D. he

查看答案和解析>>

科目：高中英語 來源： 題型：

The two students met the first time at the beginning of this term.

查看答案和解析>>

科目：高中英語 來源： 題型：

Don’t’ ___that all these who get good grades in the entrance examination will prove to be most successful.

    A. take as granted  B. take this for granted   C. take that of granted  D. take it for granted

查看答案和解析>>

科目：高中英語 來源： 題型：

In time of serious accidents，____we know some basic things about first aid，we can save lives.

A whether        B. until       C. if            D unless

查看答案和解析>>

科目：高中英語 來源： 題型：

Would you please keep me _______ with the latest news?

   A. informing           B. to inform        C. being informed            D. informed

查看答案和解析>>

科目：高中英語 來源： 題型：

---Where did you fall in love with her at first sight?

   ---____was in a small villiage where my father worked.

  A. That    B. There     C. It      D. This

查看答案和解析>>

同步練習冊答案