________flights had to be put off because of the hurricane all those days .
A.A great many of
B.A great number of
C.A great deal of
D.The great number of
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B解析试题分析：这题考查词组辨析
A. A great many of多了of，
B. A great number of修饰可数名词复数，表示：许多，
C. A great deal of修饰不可数名词，表示：许多，
D. The great number of修饰可数名词复数，意思是：…的数量，句意是：这些天因为台风大量的航班被推迟。选B。考点：考查短语辨析点评：在平时要注意意思相近的短语的积累和识记。要区分它们的不同用法。结合句意判断。