问题
选择题
The bus was due to __________ at 5 p. m.，but it arrived one hour late due to __________ by the heavy fog.
A．arrive; be held up
B．arrive; being held up
C．arriving; be held up
D．having arrived; having been held up
答案
答案：B
句意：公交车预期下午5点到达，但因为大雾耽搁了一个小时。be due to do sth. “预期做某事”；due to sth. “因为/由于某事”；hold up“耽搁，延误”。