问题
选择题
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
答案：B
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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