Only when ______ the data again ______ that there was a mistake. [ ]A. they
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| Only when ______ the data again ______ that there was a mistake. |
| [ ] |
A. they had studied; did they realize
B. they had studied; realized they
C. had they studied; did they realize
D. had they studied; realized they |
答案
| A |
举一反三
| Only after _____ her accusation _____ her case. |
| [ ] |
A. she made; did the police take up
B. did she make; the police took up
C. did she make; did the police take up
D. she made; the police took up |
| Not until _____ her work _____ her favorite TV show. |
| [ ] |
A. She completed; did she watch
B. did she complete; she watched
C. She completed; had she watched
D. did she complete; did she watch |
| Rarely _____ possible to have twins twice. |
| [ ] |
A. it is
B. is it
C. there is
D. is there |
| He failed the mid-term examination and only then _____ how much time he had wasted. |
| [ ] |
A. he realized
B. did he realize
C. he had realized
D. had he realized |
— About the economical crisis that he decided to look for more information about it.
— _____. |
| [ ] |
A. So curious he was
B. So curious was he
C. Such curious he was
D. Such curious was he |
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