I hear a number of workers in the factory ___ out of workYes,and the number ____ quite hugeA are;is B is;are C is;is D are;are

I ___my parents at the end of every month (A)hear(B)hear of(C)hear from(D)hear for I hear a number of workers in the factory ___ out of workYes,and the number ____ quite hugeA are;is B is;are C is;is D are;are I never______it.A.hear from B.hear of C.hear that D.heard what the number of,a small number of,a number of. I hear you've got a set of valuable Australian Never did I hear of such a thing可以改成I never did hear of such a thing吗 a number of the number of I hope you ——your parents soon A hear from B will hear from C hear of D will hear of请给出原因 I spend____time reading every day.A.a lot of B.a number of C.many D.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 谁来帮我做做这数学题目.1.the sum of 27 and a number n2.13 less than a number n and 23.twice a number x4.the quotient of a number n and 45.the number of minutes in s seconds6.the number of days in w weeks7.the number of pages in r reams of