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Twenty miles _________a long way to cover.
A．were B．are C．is D．seem to be
Twenty miles a long way to cover.
A．were
B．are
C．is
D．seem to be
从所给的四个选项中选择最佳答案
Twenty miles ______ a long way to cover．
[ ]
A．seem to be B．is C．are D．were
Twenty miles ______ a long way to cover.