When he was(B),he met a beautiful girl,who later became his wife.A.in his thirty B.in his thirtiesC.in the thirty為什么不選A.C

熱心網(wǎng)友

在某人幾十歲的結(jié)構(gòu)是in one's 基數(shù)'s 同in the 1980s(在20世紀(jì)80年代)

熱心網(wǎng)友

不是專指30歲那一年，而是指30歲以上的那些年。這時(shí) in his thirties.

熱心網(wǎng)友

固定用法要記住