Question

______ people are standing outside the office. _____ people there is at least over 1,000.

A．A number of; A number of	B．The number of; The number of
C．A number of; The number of	D．The number of; A number of

Answer 1

C

解析试题分析：句意：许多人正站在办公室的外面。这里的人数至少超过1，000。两者后都可以跟可数名词的复数，意思和用法不同。a number of 许多，若干；the number of…的数目。故选C。
考点：考查短语辨析。