单选题
Although buses are
scheduled
to depart at a certain hour, they are often late.
A、
listed
B、
required
C、
obligated
D、
located
【正确答案】
B
【答案解析】
schedule在句中的意思为“预定”，对比四个选项的意思，A．listed“列单”；B．required“要求”；C．obligated“使负义务”；D．located“设立”，只有B项意思最接近，故应选B。
提交答案
关闭