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 |
推荐试卷
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 |
试题篮
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