Question

---How many girls are there in your class?   
---______ them_____ over twenty.

A．A number of, are	B．The number of, are
C．A number of, is	D．The number of, is

Answer 1

D

试题分析：句意：你班有多少女孩？人数是20多。A number of,一些、许多，后面的谓语用复数形式；the number of girls女孩子的人数，后面的谓语用单数形式。故选D。