Question

--How many people will come to Beijing this year?
--It’s hard to say ._________ people, I think.
A. Three millions              B. Three millions of       C. Millions of

Answer 1

C

试题分析：句意：今年将有多少人来北京？很难说。我想有几百万。million 百万，主要有两种用法，1 跟数词连用时，表示具体数量，不用复数；2 millions of 几百万，表示数量很多。故选C。