If you feel tired out and unable to think clearly, that is ____ you have to get
题型：模拟题难度：来源：
| If you feel tired out and unable to think clearly, that is ____ you have to get a rest. |
A. why
B. when
C. whether
D. what |
答案
举一反三
| What the doctors really doubt is ____ my mother will recover from the serious disease soon. |
A. when
B. if
C. whether
D. what |
| I"m afraid he"s more of a talker than a doer, which is _____ he never finishes anything. |
A. that
B. when
C. where
D. why |
| The last time we had great fun was _____ we were visiting the Water Park. |
[ ] |
A. where
B. how
C. when
D. why |
| The traditional view is _____ we sleep because our brain is "programmed" to make us do so. |
A. when
B. why
C. whether
D. that |
— Why are you staring at me?
— You look stupid! The way you wear is _____ annoys me most. |
| [ ] |
A. which
B. where
C. how
D. what |
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