题目内容
Two middle-aged passengers fell into the sea. __________ ,neither of them could swim
[ ]
A. In fact
B. Luckily
C. Unfortunately
D. Naturally
B. Luckily
C. Unfortunately
D. Naturally
C

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Two middle-aged passengers fell into the sea. _______, neither of them could swim.
A.Actually |
B.Unfortunately |
C.Naturally |
D.Luckily |