______the London Zoo will adopt as a measurement at the critical mement is to try all ways preserving the animals in the zoo.
A. That
B. What
C. It's
D. Whether
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I realized______ I said was not exactly______ I meant to say.
A. what that, what
B. that what, what
C. that which, which
D. that that, what
Although Anne is happy with her success, she wonders______ will happen to her private life.
A. that
B. what
C. it
D. which
Listening carefully to______ in class means less work later.
A. what does the teacher say
B. what the teacher says
C. that the teacher says
D. which the teacher says
No one knows exactly______.
A. how did the speech begin
B. how the speech began
C. how the beginning of the speech
D. of how beginning the speech
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