little ____ about him when i first met him in that company.
A. have i known
B. had i known
C. do i know
D. did i know
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at no time, and under no circumstances ____ the first to use nuclear weapon.
A. china will be
B. will be china
C. will china be
D. shall china be
i didn’t like our new english teacher, and ____.
A. neither did my classmates
B. neither my classmates did
C. my classmates don’t too
D. my classmates did not also
only when you have acquired a good knowledge of grammar ____ fluently.
A. you will write
B. can you write
C. you can write
D. you could write
only when david did it a second time ____.
A. he realized his mistake
B. he was realizing his mistake
C. did he realize his mistake
D. he did realize his mistake
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