- 试题详情及答案解析
- Having a trip abroad is certainly good for the old couple, but it remains_________ whether they will enjoy it.
| A．to see | B．to be seen |
| C．seeing | D．seen |
- 答案：B
- 试题分析：考查固定句型。句意：出国旅游对老夫妇来说当然是一件好事，但是他们是否享受这次旅行还有待观察。It remains to be seen…“……还有待观察”，是固定句型，故选B。
考点：考查固定句型