the number of 与 a number of 的区别它们后面分别加什么？

He's forgotten both of the______ we booked at the hotel.a、room number b、rooms number c、rooms nu A great number of 与 The number of 的区别 a number of 与the number of用法 区别 比较 the number of与a number of的区别 the number of 与 a number of都是什么意思 the number of与a number of有什么区别? a number of与the number of的区别 A number of students,请问 A number of 与the number of students有什么不同 an amount of,a number of,the amount of,the number of的意思与区别? the number of,a small number of,a number of. a mount of 与a number of 与the number of 的区别 a number of the number of a quantity of与the number of的区别 the number of、a number of、large number的区别 a number of与the number of的用法与区别 each student in a group of 30 students studies German,Italian,or both ,The total number of studentsstuding German is three more than the total number of students studing Italian,If the number of students that study both subjects is the same as the nu a number of与the number of的区别越详细越好,明天月考,感激不尽 a number of 与the number of 的区别最好举个例句