问题
选择题
The train ______ at seven o’clock and you’d better get to the station by half past six.
A． due to start
B． is due to start
C． is due to starting
D． owe to start
答案
答案：B
考查短语：be due to do 预期做某事，句意：火车预期在七点出发，你最好六点半到达车站。所以选B。