They are walking down the way there are many trees on side.
A. that, both
B. in which, either
C. on which, either
D. /, neither
网友回答
A. that, both
B. in which, either
(答案→)C. on which, either
D. /, neither
解析：考查定语从句。先行词the way（道路）后面引导一个定语从句，从句主干完整，故the way在从句中做状语，引导词用关系副词where或on which，故选择答案C。而第二空是指道路任何一边。句意：他们沿着道路两边任何一边有许多树木的地走。