. What the doctors really doubt is ______ my mother will recover from the seriou
题型：不详难度：来源：
. What the doctors really doubt is ______ my mother will recover from the serious disease soon.| A．when | B．how | C．whether | D．why |
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答案
| C |
解析
| 考查用法。doubt用于肯定句时用whether引导同位语从句；用于否定句时，用that引导。根据可知本句为肯定句，故选C。 |
举一反三
. How can you expect to get everything ______ you never give?| A．in case | B．even if | C．unless | D．when |
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--- How long do you think it’ll be ______ I can go back to work?
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The famous scientist was going out _____ he found himself surrounded by lots of young people.| A．when | B．before | C．while | D．after |
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