a number of americans ( )learning chinese.---right---right.the number of them ( )increasing little by little.A,are,is B,is,is C,is,are D,are,are

the number of,a small number of,a number of. a number of --------will come to visit our school next month.A.Japenese B.Australia C.Germen D.American 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 a piece of the American a little number of a small number of什么区别 a number of students还是a number of the students A number of的用法 A number of 的用法 a number of +可数/不可数?