问题
单项选择题
The next train to Beijing（）here at 3 o'clock.
A.is due
B.is due to
C.is due for
D.due to
答案
参考答案：A
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The next train to Beijing（）here at 3 o'clock.
A.is due
B.is due to
C.is due for
D.due to
参考答案：A