问题
选择题
26. After having finished mopping the floor, he puts the mop back ______ it belonged.
A．where
B．to where
C．to which
D．to the place
答案
A
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26. After having finished mopping the floor, he puts the mop back ______ it belonged.
A．where
B．to where
C．to which
D．to the place
A