Not a single word_______when _______about his late mother.
#83322
A
he said, asked
B
did he say, asked
C
he said, asking
D
did he say, asking
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Our school has used computers in teaching for ten years. As a result, not only______, but students become more interested in their lessons.
#82767
A
has teachers’ energy been saved
B
saved was teachers’ energy
C
teachers’ energy has saved
D
was saved teachers’ energy
Only when I left home to go to college ___ how much my mother had done for me.
#79619
A
did I realize
B
I realized
C
had I realized
D
I had realized
_____, he cannot solve the word puzzle.
#84096
A
Hard although he tried
B
He tried hard although
C
However hard he tried
D
As he tried hard