问题
选择题
Johnson 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
本题考查冠词习惯用语和冠词的基本用法。on second thought意为“进一步考虑后；经再三考虑”；try a third time “a+序数词”表示“又一；再一”。