Bill likes playing baseball.He has_____

试题详情及答案解析

Bill likes playing baseball.He has______baseballs.

A．twenty-one	B．twenty one
C．twenty-first	D．twenty first

答案：A

试题分析：句意：比尔喜欢打棒球。他有二十一个棒球。twenty-one二十一； twenty-first第二十一。所填词修饰复数名词该用基数词，所以选A。
考点：考查数词。