I could not answer the question, _____ I had not prepared my lessons wella.or b.for c.since d.because

分类: 作业答案 • 2022-08-13 10:41:59

问题描述：

I could not answer the question, _____ I had not prepared my lessons well
a.or b.for c.since d.because

答

b.for -----------因为(后加的原因)