单项选择题

It is said in the book that Thomas Edison ( 1847 ～ 1931 ) () the world leading inventor for sixty years.

A. would be
B. has been
C. had been
D. was

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What will the weather in Arizona be like in tile craning week().

A. Rainy.
B. Warm.
C. A bit cold.
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If you () tomorrow, I might have time to discuss this question with you.

A. were to come
B. will come
C. come
D. are to come
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