第二部分 专题四
考点一
Ⅰ.单项填空
(C )1.This is Mr White's ________ visit to Beijing . He has been there twice before.
A．two B．second
C．third D．three
(A )2.The old man began to learn English at the age of________.
A．sixty B．sixties
C．s ixtyyearold D．sixty years old
【精析】考查基数词的用法。at the age of＋基数词，表示“在……岁时”。
