Look!A number of students ____(be) on the playground.

STU*fun(STU a[],int Look!A number of students ____(be) on the playground. Look!( )children( )playing on the playground.A:The number of;are B:the number of;is C：a number of;are D:a number is the number of,a small number of,a number of. look,there [ ]deer[ ]with the trouists on the mountaina are a number of ,playing b are a number of ,playc is a number of ,playingd is a number of ,play [ ]down your phone number on a piece of paper. A Look B Be C Listen DWrite a number of the number of a growing number of a.number.of?用法 a small number of a number of 造句 a number of同义词 After a number of a number of a lager number of the number of、a number of、large number的区别 ONE OF A KIND THE RISE AND FALL OF STU UNGAR怎么样 英语单项选择（初一）Look!there( )playing with the tourists on Yinhe square.A.are a number of deer B.are a number of deers C.is a number of deer D.is a number of deers请细讲一下原因,a number of deer(s)的意思