问题
选择题
Mr .Smith ______ the first bus, otherwise he should have
arrived here by now.
A．should have missed
B．must have caught
C．must have missed
D．might miss
答案
答案：C
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Mr .Smith ______ the first bus, otherwise he should have
arrived here by now.
A．should have missed
B．must have caught
C．must have missed
D．might miss
答案：C