题干
---We didn’t expect there were so many suggestions ______ at the meeting.
---Really, now what they _______is how we deal with these suggestions.
---Really, now what they _______is how we deal with these suggestions.
| A．come up, concern about |
| B．that are come up, are concerned with |
| C．came up, concern |
| D．coming up, are concerned about |
答案(点此获取答案解析）
