问题
选择题
Dela had made up his mind to give it up ,but on _____ second thought ,he determined to try ______ third time.
A./; a
B./ ; /
C.a ; a
D.the ; a
答案
答案:A
题目分析:本题第一空考察的是固定搭配on second thoughts经再三考虑之后;第二空考察的是序数词的特殊用法,在序数词前面加上不定冠词a/an表示再一,又一;句义:Delaware下定决心要放弃,但是仔细考虑以后,他决定再试一次。故A正确。