She looks sad. Could you please tell me ____ that prevents her from being as happy as before?
A．what it isB．it is whatC．how it isD．it is how
A
本題含有強調(diào)句型，若把It is···that去掉，則很容易地看出what引導的賓語從句，what在從句中充當主語。故選A。
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

After Yang Li Wei succeeded in circling the earth, _______ our astronauts desire to do is walk in space. 
A．whereB．whatC．that D．How

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

That art centre is______used to be a factory,________millions of cars were made in.
A． what; whichB． where；whereC． what; whereD．where; which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


—I’d like to invite you to my birthday party this evening.
—Thanks, but ____ I’ll have time I’m not sure at the moment.
A．whileB．whetherC．ifD．when

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


________ people with mental－h(huán)ealth problems want most of all is a more equal and open working culture.
A．ThatB．WhatC．WhenD．All what

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

---What made her so sad?
---___she had lost her purse with a lot of money in.
A．BecauseB．SinceC．.WhatD．That

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It is immediately clear ____ the financial crisis will soon be over.
A．sinceB．whatC．whenD．whether

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It was in the factory  _______  his friend worked  _______  he picked up a lot of experience.
A．where, whereB．that, where
C．that, thatD．where, that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

A new subway will have been completed in the city by the end of the year 2007 ,_____        will be very convenient for us to get around shopping and sightseeing.
when it      B. where it      C. when that      D. which that

查看答案和解析>>

同步練習冊答案