问题补充:
enough time, but I couldn’t do it better.
A. I was given
B. Given
C. To be given
D. Though I was given
答案:
(答案→)A. I was given
B. Given
C. To be given
D. Though I was given
解析:因为but是并列连词,后面是个句子,前面也一定是个句子,而不是一个分词短语或不定式短语,更不能再用连词though,所以排除B、C和D。