______ that his story may be a fabrication?
A. Was is ever dawned upon you
B. Have they ever dawned upon you
C. Do they ever dawn upon you
D. Has it ever dawned upon you
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______ he was the assassin.
A. It had never occured to me that
B. He had occurred that
C. To him occurred that
D. What occurred to him was
______ that as both birds and mammals become larger, their metabolic rates per unit of tissue decrease, and they generally live longer.
A. The truth
B. It is true
C. If true
D. To be true
Yet no firm evidence had come to light______ the men arrested were actually responsible.
A. which
B. as
C. what
D. that
You can take______ room you prefer.
A. to what
B. whichever
C. that
D. who