问题
选择题
They were filled with joy when they Chinese soil in late July.
A．set foot in
B．set foots in
C．set foot on
D．set foots on
答案
答案：C
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They were filled with joy when they Chinese soil in late July.
A．set foot in
B．set foots in
C．set foot on
D．set foots on
答案：C