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题目内容
（兰州交通大学大学英语4）
2单选(2分)
Some birds fly to in fall every year.
得分/总分
A.
upward
B.
backward
C.
southward
D.
homeward
Some birds fly to in fall every year.
得分/总分
A.
upward
B.
backward
C.
southward
D.
homeward
参考答案