Correct the errors in the following sentences, if             .
#80738
A
not
B
necessary
C
any
D
ever
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________, he can succeed in his work if he works hard.
#83782
A
As a person is foolish
B
Foolish as a person is
C
As is a person foolish
D
As foolish a person is
To our surprise, not a single word _______ in the discussion last Thursday.
#82994
A
had the teacher said
B
said the teacher
C
the teacher had said
D
did the teacher say
Not until he walked into the classroom   that he left his dictionary at home.
#79911
A
did he find
B
had he found
C
he had found
D
he found
It was announced that only when the terrible disease was under control _______ to return to their homes. 
#80814
A
the residents would decide
B
would the residents decide
C
would the residents be decided
D
the residents would be decided
—       made your daughter decide to go to Tibet as a volunteer?—Mr.Lee’s speech.
#81226
A
What it was that
B
What was it that
C
That it was what
D
That was it that