题干
---- Did you ______ the concert yesterday evening?
---- Sorry, I didn’t have enough time. I really regret ______ my homework earlier.
---- Sorry, I didn’t have enough time. I really regret ______ my homework earlier.
| A．attend; not to finish |
| B．join; not finishing |
| C．take part in; having not finished |
| D．attend; not having finished |
答案(点此获取答案解析）
