Question

【题目】—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

【答案】D
【解析】句意：你们班有多少女孩？她们的数字超过20人。A number of许多，修饰可数名词复数；the number of：……的数字，谓语动词用单数形式。故选D。