问题
选择题
Mr. White had no money for the taxi, so he had to ______ home.
A．walk back to
B．walked back to
C．walks back
D．walk back
答案
答案：D
walk back to sp，表示步行去某地，但是home为副词，因此to去掉，故选D
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Mr. White had no money for the taxi, so he had to ______ home.
A．walk back to
B．walked back to
C．walks back
D．walk back
答案：D
walk back to sp，表示步行去某地，但是home为副词，因此to去掉，故选D