are students in our grade.There are students in our grade.A.hundreds ofB.three hundreds ofC.three hundreds选那个?

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arestudentsinourgrade.Therearestudentsinourgrade.A.hundredsofB.threehundredsofC.threehundreds选那个?are

are students in our grade.There are students in our grade.A.hundreds ofB.three hundreds ofC.three hundreds选那个?
are students in our grade.
There are students in our grade.
A.hundreds of
B.three hundreds of
C.three hundreds
选那个?

are students in our grade.There are students in our grade.A.hundreds ofB.three hundreds ofC.three hundreds选那个?
选A.hundreds of
表示一个具体数字时,hundred,thousand,million一律不用复数;在表示一个不确定数字时则用复数.例如:
例子:Our country has a population of 1,300 million people.
There are three thousand students in our school.
After the war,thousands of people became homeless.
Maize is the most important food crop for millions of people in the world.
They arrived in twos and threes.

选A

选A,具体数字后面的hundred不加复数,所以BC项格式错

A