问题
选择题
--Jack had prepared for the game for such a long time. We all thought he ________ it.
-- What a pity! He ________ too nervous when playing it.
A．would have won；had been
B．could have won；must be
C．could have won；was
D．would have won；has been
答案
答案：C
题目分析：考查情态动词的用法：句意：--杰克为比赛准备这么长时间了。我们都认为他会通过的。--真遗憾，比赛的时候，他一定是太紧张了。第一空填could have done表示过去可能做，第二空must be是肯定推测，选C。