____ number of people poured into the cinema,and I lost ___ sight of Alice in the crowd.填(the/a/an/不填）A;不填.Please tell me why ,thanks!

_____ (number)of the students ____(stay)in the classroom Look!A number of students ____(be) on the playground. A number of apples ____ in the box. The number of tigers in the wild ____(be) smaller than that of pandas. 10题(短)初一英文题!急!1.to make something into the shape of a tube(a verb)2.a specialist or an expert in genetics(a noun)3.to receive (a characteristic) from one's parents(a verb)4.a careful study of a subject(a noun)5.a large number of peopl the number of,a small number of,a number of. What ____ (be) the number of the candles on the birthday cake? The number of the students in our school ____(be) over 3,500. What number is in front of the following numbers?____,26,19,14,11. The number of the people who ____(own)cars_____(be)increasing,为什么后面用is呢? The number of the students in our school is ____(减少) Do you know the number of people ____(come)to the party a number of ____(child)often help the old people on weekends The tree is generally believed ____(claim)a number of victims. A number of students go to the USA to study ____(far) I don't know the ___ number of the students ____(exact) A number of doctors and nurses were found ____(rescue)the injured. Her case has attracted an enormous ____ of public sympathy.number many amount much