____ a machine been so efficient and accurate as the electronic computer.
A. more than ever before
B. never before has
C. in the past, there never has
D. formerly there never was
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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
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
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